Mellitah Oil & Gas BV
Company Job No
Company Doc. No.
C/584/ME/08
G-050-P-Z-0010 00
GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A.
Contractor Job No.
Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
50 000-ZA-E-09010
Design basis and plant expected production
Sh. 1 of 20
Rev .
P1 P2 F1
DESIGN BASIS AND PLANT EXPECTED PRODUCTION FOR MELLITAH COMPLEX
F1
5/05/2010
As built
R. Diamanti
M. Forgnone
A.Oliva
P2
21/04/2009
Approved for design
R. Diamanti
M. Forgnone
A.Oliva
P1
12/01/2009
Issued for Approval
M. Forgnone
R. Di Pietro
A.Oliva
Rev.
Date
Prep.
Check.
Appr.
Description
Company Appr.
Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A.
C/584/ME/08
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Design basis and plant expected production INDEX
032074 Sh. 2 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
1
INTRODUCTION
4
2
PLANT TARGET CAPACITY
5
2.1
3
5
2.1.1
Mellitah Plant
5
2.1.2
Wafa Coastal Plant
5
2.2
Mellitah plant gas production
6
2.3
Wafa Coastal plant gas expected production
6
2.4
Plant total gas expected production
6
BASIC CONSIDERATIONS AND ASSUMPTIONS
7
3.1
Simulations cases
7
3.2
Sparing philosophy
7
3.3 4
Inlet streams
3.1.1
Mellitah Gas Train
7
3.1.2
Mellitah Condensate Stabilization train
7
3.1.3
SRU and TGCU train
7
3.1.4
Wafa Coastal plant
7
Overdesign margins
7
FEEDSTOCK AND PRODUCT SPECIFICATION 4.1
4.2
Feedstock
8 8
4.1.1
Raw gas and Unstabilized condensate from Sabratha Platform
8
4.1.2
Sales Gas and Unstabilized Condensate from Wafa desert
12
Product specification
16
4.2.1
Sales Gas Specification @ Mellitah Plant outlet battery limit
16
4.2.2
Stabilized Condensate from Mellitah Plant to storage facilities
17
4.2.3
LPG from Mellitah Plant to Wafa Coastal Plant
17
4.2.4
Fuel Off-Gas from Mellitah Plant Deethanizer OVHD to Wafa Coastal Plant
17
4.2.5
Stabilized Condensate from Wafa Coastal Plant to storage facilities
17
4.2.6
Propane liquid from Wafa Coastal Plant to storage facilities
18
4.2.7
Butane liquid from Wafa Coastal Plant to storage facilities
18
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A. 4.3 5
C/584/ME/08
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Design basis and plant expected production Effluents specification
032074 Sh. 3 of 20
UTILITIES
50 000-ZA-E-09010 Rev.
P1 P2 F1
19 20
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A.
1
C/584/ME/08
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
Design basis and plant expected production
Sh. 4 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
INTRODUCTION Mellitah and Wafa Coastal onshore plants (called herein Mellitah Complex), built by Agip Gas BV Libyan Branch at GSPLAJ, are located on the west side of Libyan Coast. The purpose of these plants is to export sales gas to Italy and sell other outputs on local market. The production Enhancement project is the first step versus an increasing of the actual gas production from Mellitah Complex by processing: •
Within Mellitah Plant, an increased feedstock from Sabratah Offshore platform and additional from Bouri Field
•
Within Wafa Coastal Plant, an increased feedstock from Wafa Desert Plant & NC118
The new total plant capacity corresponds to an increase of sales gas production from Mellitah Plant of 15 % and from Wafa Coastal plant of 10 % During EPC phase all the design basis and plant expected production applied in the FEED phase has been maintained. Make reference to P-60-G-O-0001 00 “Mellitah complex production Enhancement Phase 3 Design basis for Mellitah and Wafa coastal plants”
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Saipem S.p.A.
C/584/ME/08
2
Design basis and plant expected production PLANT TARGET CAPACITY
2.1
Inlet streams
2.1.1
Mellitah Plant
032074 Sh. 5 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
Mellitah plant currently processes the Raw Gas and Unstabilized Condensate feedstock coming from Sabratha offshore platform by means of two subsea pipelines of 36’’ and 10’’ respectively. The Production Enhancement Project for Mellitah plant will be developed based on the feedstock coming from: -
Sabratha platform (Raw Gas and Unstabilized Condensate) and
-
Bouri platform (Raw Gas and Unstabilized Condensate).
Note: The Raw Gas from Sabratha platform and Bouri field arrives to Mellitah plant via the same 36’’ pipeline while, the Unstabilized Condensate from Sabratha platform and Bouri field arrives to Mellitah Plant via the same 10’’ pipeline. The sales gas production from Mellitah Plant is sent to Wafa Coastal Plant where it is commingled with the sales gas coming from Wafa Desert Plant and then routed to Mellitah Gas Compression System (MGCS) for export and HP fuel gas production. 2.1.2
Wafa Coastal Plant Wafa Coastal plant currently processes the Unstabilized Condensate coming from Wafa Desert plant and the LPG fraction coming from Mellitah plant. No gas processing treatment facilities are installed in Wafa Coastal plant, only the fiscal measurement requirements are provided for the sales gas (Treated Gas) prior to be exported. The Prduction Enhancement Project for Wafa Coastal plant will be developed based on the feedstock coming from: -
Wafa Desert plant (Unstabilized Condensate and Stabilized oil),
-
NC118 (Stabilized Oil) and
-
Mellitah Plant (LPG stream)
Note: Both, the Unstabilized Condensate and Stabilized Oil arrive to Wafa Coastal Plant via the same pipeline. Prior to be exported, the Sales Gas (Treated Gas) is first routed to the fiscal measurement system and then to Mellitah Gas Compression System (MGCS), and future to LGCS (Sioic) under construction for Local Gas Compression Station.
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
C/584/ME/08
Plant
Saipem S.p.A. 2.2
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
Design basis and plant expected production
Sh. 6 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
Mellitah plant gas expected production The Net Sales Gas expected production from Mellitah plant should be tentatively:
Current Net sales gas production without swing factor
16.44
MSm3/d
6.00
BSm3/y
Current Net sales gas production with swing factor
18.25
MSm3/d
6.66
BSm3/y
PE3 Net sales gas production without swing factor
18.90
MSm3/d
6.9
BSm3/y
PE3 Net sales gas production with 11% swing factor
20.98
MSm3/d
7.659
BSm3/y
Note: The swing factor shall be considered only on feedstock from Sabratha platform (not on feedstock from Bouri platform) 2.3
2.4
Wafa Coastal plant gas expected production Current Net sales gas production without swing factor
10.96
MSm3/d
4.00
BSm3/y
Current Net sales gas production with swing factor
12.16
MSm3/d
4.44
BSm3/y
PE3 Net sales gas production without swing factor
12.06
MSm3/d
4.4
BSm3/y
PE3 Net sales gas production with 11% swing factor
13.38
MSm3/d
4.884
BSm3/y
Current Net sales gas production without swing factor
27.40
MSm3/d
10
BSm3/y
Current Net sales gas production with swing factor
30.41
MSm3/d
11.1
BSm3/y
PE3 Net sales gas production without swing factor
30.96
MSm3/d
11.3
BSm3/y
PE3 Net sales gas production with 11% swing factor
34.36
MSm3/d
12.543
BSm3/y
Plant total gas expected production
The existing process and utility facilities are to be debottlenecked to cope with the above net sales gas production.
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Saipem S.p.A.
C/584/ME/08
3
Design basis and plant expected production BASIC CONSIDERATIONS AND ASSUMPTIONS
3.1
Simulations cases
032074 Sh. 7 of 20
50 000-ZA-E-09010 Rev.
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Two simulations cases shall be considered: Case 1: Summer Case 2: Winter Both cases will be based on target plant production of 11.3 BSCMY + 11% swing factor, with Bouri Platform feed included. 3.2
Sparing philosophy
3.1.1
Mellitah Gas Train Each gas processing train shall be debottlenecked to cope with an expected net sales gas production of tentatively: 2.3 BSCMY (6.30 MSCMD) +11% (swing factor)
3.1.2
Mellitah Condensate Stabilization train During detailed engineering phase of Mellitah plant, each liquid processing train (Condensate stabilization and NGL fractionation) has been designed with an overcapacity factor of 33% in order to allow the plant running with two gas processing trains at the design capacity and only one liquid processing train. In the FEED phase and consequently in the EPC phase, this philosophy is not considered and each liquid train shall be verified or debottlenecked to process 50% of the total liquid flow rate.
3.1.3
SRU and TGCU train The current facilities include three (3) SRU trains and three (3) TGCU trains. In the FEED phase, each SRU and TGCU train has been verified and/or debottlenecked to process 50% of the feed gas. The original sparing philosophy has been maintained; i.e. one train shall be spare.
3.1.4
Wafa Coastal plant The wafa coastal plant includes two (2) liquid processing trains. In the FEED design, each liquid train has been verified and/or debottlenecked to process 50% of the incoming liquid flow from Wafa desert and NC 118.
3.3
Overdesign margins The overcapacity philosophy applied during the engineering for the existing Mellitah Complex has been also considered for the FEED design and for EPC phase. However, the Condensate Stabilization train of Mellitah plant shall be verified or debottlenecked to process 50% of the total liquid flow rate (Refer to § 3.1.2).
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
C/584/ME/08
Plant
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Saipem S.p.A.
G-050-P-Z-0010 00
032074
4
Design basis and plant expected production FEEDSTOCK AND PRODUCT SPECIFICATION
4.1
Feedstock
4.1.1
Raw gas and Unstabilized condensate from Sabratha Platform
Sh. 8 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
The inlet battery limit conditions for Mellitah Plant are the inlet of gas slug catcher for the raw gas and the pipeline onshore arrival for the Unstabilized condensate. The operating pressure and temperature are given in the following table for the design year in both summer and winter conditions. The two conditions are identical in terms of fluids composition but are different in terms of arrival temperature, which have been assumed to be equal to the coastal sea water temperature in the relative season. Tab. 4.1.1.1: Mellitah Plant inlet battery limit conditions Mellitah Plant feedstock
Pressure (bara)
Temperature (°C)
Summer
Winter
Summer
Winter
Raw Gas
45
45
29
14
Unstabilized Condensate
13.5
13.5
29
14
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A.
C/584/ME/08
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
50 000-ZA-E-09010 P1 P2 F1
Sh. 9 of 20 Rev. Design basis and plant expected production Tab. 4.1.1.2: Composition of Raw Gas and Unstabilized Condensate from Sabratha
Raw Gas SUMMER/WINTER Fluid Compositions (%mol)
(note 4 - 5 )
Unstabilized Condensate SUMMER/WINTER (note 4 - 5 )
H2O
7.5 lb/MMSCF
Note 3
N2
4.35
0.01
CO2
13.33
1.66
H2S
1.19
0.74
C1
72.18
1.48
C2
4.52
1.59
C3
2.26
3.72
IC4
0.43
1.67
NC4
0.78
4.13
IC5
0.31
3.35
NC5
0.27
3.68
C6*
0.12
12.45
C7*
0.17
14.98
C8*
0.07
16.13
C9*
0.02
12.01
C10*
0.00
7.89
C11*
0.00
5.12
C12+
0.00
9.40
TOTAL MERCAPTAN ‘S’
17.5 mg/Sm3
152 ppm wt
Total Flow rate (kg-mol/h)
note 1
note 2
Notes: 1. Gas flow rate shall be determined based on the target sales gas production. 2. Condensate flow rate shall be determined based on the Condensate to Gas Ratio (CGR) of 38.05 STB/MMSCF 3. Condensate flow shall be considered as water saturated (at 50.4 °C and 51.6 bara) with free Water content of 40 ppm vol. The composition is shown on the table on a dry basis and shall be normalized in the simulation report to include water content. 4. The compositions of Raw gas and Unstabilized condensate are assumed to be identical for SUMMER and WINTER cases. _______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
C/584/ME/08
Plant
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Saipem S.p.A.
G-050-P-Z-0010 00
032074
50 000-ZA-E-09010 P1 P2 F1
Sh. 10 of 20 Rev. Design basis and plant expected production 5. The composition of the Raw Gas is shown on a dry basis and shall be normalized in the simulation report to include water content.
Tab. 4.1.1.3: Sabratha Pseudo components characterization PSEUDO COMPONENT PROPERTIES Normal Boiling Point
Std Liquid Density
Tc
Pc
Vc
MW
°C
Kg/m3
°C
(bar a)
(m3/kgmole)
C6*
84.85
71.46
713
294.2
29.89
0.421
0.2645
C7*
98.13
100.8
737
279.8
30.19
0.3992
0.316
C8*
112.2
127.8
750
308.4
26.83
0.4662
0.3563
C9*
126
152.3
759
332.9
24.07
0.5354
0.3909
C10*
140.4
174.9
758
347.4
21.19
0.606
0.474
C11*
155.9
196.5
753
367.5
19.68
0.6646
0.5181
C12+
200
244.3
827
516
15.73
0.9806
0.6586
Accentricity
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
C/584/ME/08
Plant
Saipem S.p.A.
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
Design basis and plant expected production
Sh. 11 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
Tab. 4.1.1.4: Composition of Raw Gas and Unstabilized Condensate from Bouri Raw Gas Fluid composition
(%mol) H2O N2 CO2 H2S C1 C2 C3 IC4 NC4 IC5 NC5 NC6 NC7 NC8 NC9 NC10 NC11 C12+ TOTAL MERCAPTANS ‘S’ MOLECULAR WEIGHT Flow rate (kg-mol/h) (Note 1)
SUMMER/WINTER
Unstabilized Condensate SUMMER/WINTER 0.08
0.00 18.76 10.74 0.03 56.36 7.53 4.38 0.56 1.13 0.23 0.19 0.08 0.01 0.00 0.00 0.00 0.00 0.00
0.11 4.09 0.08 2.60 5.21 16.50 5.85 17.33 8.76 9.87 15.86 7.41 3.67 1.65 0.67 0.26 0.0009
0.00 mg/Sm3
0.00 ppm wt
24.59
66.81
2230
217.8
Notes: 1- Swing factor shall not be applied to the feedstock from Bouri platform
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
C/584/ME/08
Plant
Saipem S.p.A. 4.1.2
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
Design basis and plant expected production Sales Gas and Unstabilized Condensate from Wafa desert
Sh. 12 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
Tab. 4.1.2.1: Wafa Coastal Plant inlet battery limit Wafa Coastal Plant feedstock
Pressure (bara)
Temperature (°C)
Summer
Winter
Summer
Winter
Sales Gas from Wafa Desert
33
33
28.0
13.0
Unstabilized Condensate from Wafa Desert and stabilized oil from NC 118
18.5
17.9
28.0
13.0
Sales Gas from Mellitah Plant
32.8
32.8
28
23
LPG from Mellitah Plant
27.0
27.0
30
30
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A.
C/584/ME/08
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
Sh. 13 of 20 Design basis and plant expected production Tab. 4.1.2.2: Composition of Sales Gas from Wafa Desert Plant
Fluid composition (molar percents)
Summer case
Winter case
H2O N2 CO2 H2S C1 C2 C3 IC4 NC4 IC5 NC5 NC6 NC7 NC8 NC9 NC10 NC11 C12+
0.00 0.39 1.85 0.00 87.85 9.79 0.11 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.39 1.85 0.00 87.85 9.79 0.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Wobble Index, (MJ/Sm3)
50.42
50.42
Gross Heating (MJ/Sm3)
39.80
39.80
24682.64
24683.68
Value,
Total Flow rate (kg-mol/h)
50 000-ZA-E-09010 Rev.
P1 P2 F1
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
C/584/ME/08
Plant
Saipem S.p.A.
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
50 000-ZA-E-09010 P1 P2 F1
Sh. 14 of 20 Rev. Design basis and plant expected production Tab. 4.1.2.3: Composition of unstabilized condensate from Wafa Desert Plant
Fluid composition (molar percents) H2O N2 CO2 C1 C2 C3 IC4 NC4 IC5 NC5
NC6 NC7 NC8 NC9 NC10 NC11 G-C12+ O-C12+ Total mercaptans ‘S’ ppm wt Total Flow rate, kg-mol/h (Note 1)
Summer case
Winter case
0.01 0.00 0.00 0.00 0.40 32.96 6.30 13.78 6.00 5.99 7.14 6.40 5.94 3.88 2.31 1.39 0.45 7.06
0.01 0 0.00 0.00 0.39 33.02 6.30 13.75 5.96 5.96 7.10 6.40 5.97 3.89 2.32 1.40 0.45 7.08
0.00
0.00
3389
3385
Notes: 1- Swing factor shall not be applied to this flow rate.
Tab. 4.1.2.4: Pseudo components characterization Components G-C12+ cut O-C12+ cut
MW 186,5 336,8
SP GR 0,82 0,942
TC (°C) 380 601,56
PC (bara) 20,2 15,36
Acentric factor 1,0216 0,8316
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A.
C/584/ME/08
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Design basis and plant expected production Tab. 4.1.2.5: Composition of stabilized oil from NC118
Name H2S CO2 N2 C1 C2 C3 IC4 NC4 IC5 NC5 C6* C7* C8* C9* C10* C11* C12* C13+* Oil 1 C13+* Oil 2 C13+* Oil 3 TOT Water content Flow rate (note 1)
G-050-P-Z-0010 00
032074 Sh. 15 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
NC118 Stabilized oil SUMMER / WINTER mol% (dry basis) 0.00 0.00 0.00 0.00 0.00 0.86 2.47 8.48 3.95 4.50 8.48 8.61 8.18 6.42 5.91 2.76 2.87 2.98 4.40 29.11 100.00 0.1% vol 8000 BOPD
Note: 1- Swing factor shall not be applied to this flow rate.
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
C/584/ME/08
Plant
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Saipem S.p.A.
G-050-P-Z-0010 00
032074
50 000-ZA-E-09010
Sh. 16 of 20 Design basis and plant expected production Tab. 4.1.2.6: Pseudo components characterization (NC 118)
MW
Normal Boil. Point
Std Liquid Density
Tc
Pc
Vc
(°C)
(kg/m3)
(°C)
(bar a)
(m3/kgmole)
Name
4.2
Rev.
P1 P2 F1
Acentricity
C6*
86.17
68.43
664
236
30.17
0.3723
0.2811
C7*
100.2
97.81
688
268.1
27.25
0.4304
0.3333
C8*
114.2
124.7
706
296.4
24.89
0.4879
0.3823
C9*
128.3
149.8
721
322
22.91
0.5455
0.4289
C10*
142.3
173.4
734
345.4
21.22
0.6036
0.4736
C11*
156.3
195.3
744
366.5
19.75
0.6615
0.5158
C12*
170.3
215.9
752
385.7
18.46
0.72
0.5561
C13+* Oil 1
287
343.6
887.2
528.3
16.73
0.9342
0.6667
C13+* Oil 2
285
341.5
885.7
526.2
15.26
1.018
0.6695
C13+* Oil 3
290
342.8
869
512.3
14.41
1.024
0.7947
Product specification For the below tables, reference is made to Mellitah Plant Operating Manual for Gas Treatment Units, AGBV Doc. No. G-50-P-Z-0006 00 CTR Doc. No. 50 000ZA-E-03073) and Wafa Coastal Plant Operating Manual for Liquid Hydrocarbon Recovery Units, AGBV Doc. No. J-61-M-O-0002-00 Rev C3 CTR Doc. No. J-60-SQ-0233-00 Rev.C3. All the expected value are within the following table ranges.
4.2.1
Sales Gas Specification @ Mellitah Plant outlet battery limit Characteristics
Unit of measure
Specification Value
Wobble Index
MJ/Sm3
47.31 ÷ 52.1
Gross Heating Value
MJ/Sm3
38.1 + 10% - 5%
CO2
% vol.
<2.0
O2
% vol.
<0.3
N2
% vol.
<10
mg/Sm3
<5
mg/Sm3
<10
mg/Sm3
<100
Water Dew point
@ 1 to 69 barg
<-10°C
Hydrocarbon Dew point
@ 1 to 69 barg
<-5°C
bar abs
32.8
H2S Sulphur content
Mercaptans
Total sulphur content
Delivery Pressure
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
Saipem S.p.A. 4.2.2
C/584/ME/08
Design basis and plant expected production Stabilized Condensate from Mellitah Plant to storage facilities Characteristics
032074
50 000-ZA-E-09010
Sh. 17 of 20
Rev.
P1 P2 F1
Unit of measure
Specification Value
psia
<10.5
Max. H2S content
ppm wt.
50
Max. H2O content
% vol.
0.1
Max. salt content
PTB (1)
20
°C
45
RVP
Storage temperature (1) PTB = Pounds per thousand barrels
4.2.3
LPG from Mellitah Plant to Wafa Coastal Plant Specification C3 + C4 ≥ 99.0% mol. C2- ≤ 0.5% mol. C5+ ≤ 0.5% mol.
4.2.4
Fuel Off-Gas from Mellitah Plant Deethanizer OVHD to Wafa Coastal Plant Specification C3+ ≤ 8.76% mol.
4.2.5
Stabilized Condensate from Wafa Coastal Plant to storage facilities Characteristics
Unit of measure
Specification Value
psia
<12
Max. H2S content
ppm wt.
50
Max. H2O content
% vol.
0.1
Max. salt content
PTB (1)
20
°C
45
TVP @ 100°F
Storage temperature (1) PTB = Pounds per thousand barrels
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
C/584/ME/08
Plant
Saipem S.p.A.
4.2.6
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
Design basis and plant expected production
Sh. 18 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
Propane liquid from Wafa Coastal Plant to storage facilities Characteristics
Unit of measure
Specification Value
psia
<222.7
H2O content
ppm wt @ 100°F
<5
C2 content
% liquid volume
<1.85
C4 + content (1)
% liquid volume
<2.5
-
1 max.
TVP @ 100°F
Copper Strip Test (1) C4+, consists of nC4 and iC4
4.2.7
Butane liquid from Wafa Coastal Plant to storage facilities Characteristics
Unit of measure
Specification Value
psia
<84.7
H2O content
ppm wt @ 100°F
<5
C2 content
% liquid volume
<0.2
C5 + content
% liquid volume
<1.5
-
1 max.
TVP @ 100°F
Copper Strip Test
The expected C3 content in the liquid Butane is about : 19.6 % liquid volume.
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A.
4.3
C/584/ME/08
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
Design basis and plant expected production
Sh. 19 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
Effluents specification Refer to Design Premises for Mellitah Plant: doc. No. G-65-S-Z-0001 CTR doc. No. 50 000-ZA-E-09010 and Project Design Basic Data for Wafa Coastal Plant: doc. J-60S-Z-0001-00.
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
Company Job No. Company Doc. No.
Mellitah Oil & Gas BV GAS DIVISION LIBYAN BRANCH
Plant
Saipem S.p.A. 5
UTILITIES
C/584/ME/08
G-050-P-Z-0010 00
Contractor Job No. Contractor Doc. No.
MELLITAH COMPLEX Production Enhancement Project
032074
Design basis and plant expected production
Sh. 20 of 20
50 000-ZA-E-09010 Rev.
P1 P2 F1
Refer to Design Premises for Mellitah Plant: doc. No. G-65-S-Z-0001 CTR doc. No. 50 000-ZA-E-09010 and Project Design Basic Data for Wafa Coastal Plant: doc. J-60S-Z-0001-00.
_______________________________ Form code: MDT.GG.QUA.0004 Sh. 01/Rev. 3.96 File name: g050pz001000p2.doc This document is CONFIDENTIAL and the sole property of the MELLITAH GAS BV. It shall neither be shown to third parties nor used for other purposes than those for which it has been issued/sent. Any unauthorised attempt to reproduce it, in any form, is strictly prohibited.
