Surgil ESIA Report - Volume III - EKN

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“O’ZLITINEFTGAZ” PC PFS “Surgil field complex costruction with valuable components retrieval” Length is 108km. On all loops at the distance of 14-15m from wellhead there are arranged “П” shaped compensators for thermal-changes compensation of laid length. Loops are laid into ground with deepening 1m to the top of forming pipe and covered by anticorrosive isolation. At this stage, the land resources (temporary and constant allotment of lands under construction), atmospheric air - from burning of technologically necessary emissions on wells flares are the objects of impact. Underground waters will not undergo specific changes. 2.5 GAS GATHERING STATIONS (GGS) AND COLLECTORS PROJECT By all variants of PFS there are provided gas gathering stations in number of three pieces. Difference by variants is the quantity of input loops to gas gathering stations. There is also provided incoming-line unit for seven wells and three collectors from gas gathering stations in the CGTU area by all variants. GGS-1. 2 and 3 (figure 3 and 4) are consists of following constructions: - incoming-line unit (GS); - platform for torch farm; - drainage tank for torch farm. There is provided on GGS: - purging of loops on torch; - protection of loops from pressure excess. The incoming on GS of GGS loops from wells are equipped by safety valves for protection of loops from pressure excess (safety valves of Drain Safety Spring Valve type through T-valve are binding on a torch). By means of tap valves each loop is binding on a torch for purge execution during liquid gathering. Besides, there are installed disconnecting tap valves, adjustable choke, and float valve on a loop. GGS territory is fenced; the torch platform also has the fence and is taken out on 100m. Preliminary hydraulic calculation of connecting collectors of GGS – Surgil CGTU is executed for productivity 2.518·10 6 m3/days. Maximum collector length is 3.8km. Gas pressure and temperature in the beginning of collector make 7.8MPa and 45 0 С relatively. Volume 2. Part 1. EIS Project for Surgil field construction 42
“O’ZLITINEFTGAZ” PC PFS “Surgil field complex costruction with valuable components retrieval” Figure 3 – GGS 1 and GGS 2 area Volume 2. Part 1. EIS Project for Surgil field construction 43
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“Management of Ustyurt GCC infras
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Книга 2. Часть 2. Про
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OAJ “O’ZLITINEFTGAZ” ПТЭО
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Газопровод L=115 ,0 km d=
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NATIONAL HOLDING COMPANY «UZBEKNEF
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“O’ZLITINEFTGAZ” open joint-s
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