Surgil ESIA Report - Volume III - EKN

Surgil ESIA Report - Volume III
Table A.2: Surgil Well Typical Drill Mud Components
Well Interval (m) Mud Type Mud Components
From
To
9 50 WBDF Clay Polymer; Bentonite; Soda Ash; Caustic Soda; K-4
50 400 NABF Clay Polymer; Bentonite; Soda Ash; Caustic Soda; K-4, Oil
400 1,500 NABF Clay Polymer; Mud Powder; Soda Ash; Caustic Soda; K-4, KMTs-600, Oil, Graphite
Silver
1,500 2,950 NABF Lignosulphonatic; Mud Powder; Soda Ash; Caustic Soda; K-4; KLMs-600;
Ferrocromelignosulphonate; Oil; Graphite Silver
Source: Uk-Kor
The required volumes of the above mud components per Surgil well is summarised in Table A.3.
Table A.3: Predicted Amount of Drill Mud Components per Surgil Well
Mud Component
Total Tonnes per Well
Bentonite 24.3
Clay 64.9
Soda Ash 6.9
Caustic Soda 4.3
K-4 37.4
KMTs-600 5.6
Ferrocromelignosulphonate 7.8
Oil 27.3
Graphite Silver 2.7
Source: Uz-Kor
A.2.3.
Gas and Condensate Composition
Table A.4and Table A.5 provide the design case composition of gas and condensate feedstock from the
Surgil and East Berdakh Fields, respectively.
Table A.4: Composition of Natural Gas Received from Project Gas Fields
Index
Surgil Field East Berdakh Field
(molar proportion, %) (molar proportion, %)
CH 4 90,318 91,694
C 2H 6 4,545 4,265
C 3H 8 2,146 1,600
iC 4H 10 0,286 0,268
nC 4H 10 0,341 0,232
C 5+ 0,340 0,216
H 2O 0,005 0,005
N 2 1,126 1,294
CO 2 0,893 0,426
Source: Duty Specification (GSP)
254793/RGE/GEV/03/01/03/08/2011
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