1.1       Scope of Work

The scope of the HAZOP study was the X 30-1 DPP Platform process facilities and associated utilities as detailed on the P&IDs, which comprised of:

·         DWG–DPP–PR–111–101 : P&ID for DPP wellheads;

·         DWG–DPP–PR–112–101 : P&ID for DPP production heads and test header;

·         DWG–DPP–PR–113–101 : P&ID for DPP test separator;

·         DWG–DPP–PR–114–101 : P&ID for DPP prodcution separator;

·         DWG–DPP–PR–114–102 : P&ID for DPP gas coolers;

·         DWG–DPP–PR–115–101 : P&ID for DPP export gas pig launcher;

·         DWG–DPP–PR–221–111 : P&ID for DPP wet gas compression – inlet gas scrubber and gas compressor (train A) (future);

·         DWG–DPP–PR–221–112 : P&ID for DPP wet gas compression after cooler and discharge gas scrubber (train A) (future);

·         DWG–DPP–PR–221–121 : P&ID for DPP wet gas compression – inlet gas scrubber and gas compressor (train B) (future);

·         DWG–DPP–PR–221–122 : P&ID for DPP wet gas compression after cooler and discharge gas scrubber (train B) (future);

·         DWG–DPP–PR–221–211 : P&ID for DPP TEG dehydration system – filter separation (train A);

·         DWG–DPP–PR–221–212 : P&ID for DPP TEG dehydration system – glycol contactor and lean TEG/dry gas heat exchanger (train A);

·         DWG–DPP–PR–221–221 : P&ID for DPP TEG dehydration system – filter separation (train B);

·         DWG–DPP–PR–221–222 : P&ID for DPP TEG dehydration system – glycol contactor and lean TEG/dry gas heat exchanger (train B);

·         DWG–DPP–PR–222–111 : P&ID for DPP TEG regeneration – TEG flash drum and filter (train A);

·         DWG–DPP–PR–222–113 : P&ID for DPP TEG regeneration – TEG regenerator and TEG still column (train A);

·         DWG–DPP–PR–222–114 : P&ID for DPP TEG regeneration – TEG circulation pumps and lean/rich gas heat exchanger (train A);

·         DWG–DPP–PR–223–101 : P&ID for DPP condensate dehydration – condensate coolers and filters;

·         DWG–DPP–PR–223–102 : P&ID for DPP condensate dehydration – condensate coalescer A and condensate export pumps;

·         DWG–DPP–PR–223–103 : P&ID for DPP condensate dehydration – condensate coalescer B;

·         DWG–DPP–PR–224–101 : P&ID for DPP oily water treatment – hydrocyclones;

·         DWG–DPP–PR–224–102 : P&ID for DPP oily water treatment – oil skim drum;

·         DWG–DPP–PR–331–101 : P&ID for DPP fuel gas system – fuel gas scrubber;

·         DWG–DPP–PR–331–103 : P&ID for DPP fuel gas system – fuel gas superheaters;

·         DWG–DPP–PR–332–101 : P&ID for DPP diesel system – diesel storage and distribution;

·         DWG–DPP–PR–332–102 : P&ID for DPP diesel system – diesel storage and distribution;

·         DWG–DPP–PR–333–101 : P&ID for DPP HP flare knock-out drum;

·         DWG–DPP–PR–333–102 : P&ID for DPP HP and LP flare TIP facilities;

·         DWG–DPP–PR–333–901 : P&ID for DPP HP/LP flare collection headers;

·         DWG–DPP–PR–441–101 : P&ID for DPP seawater system – seawater lifting pumps and auto backwash coarse filter;

·         DWG–DPP–PR–441–102 : P&ID for DPP seawater system – seawater distribution;

·         DWG–DPP–PR–445–101 : P&ID for DPP closed drain system – closed drain drum and pumps;

·         DWG–DPP–PR–445–102 : P&ID for DPP open drain – tank and recovery pump;

·         DWG–DPP–PR–445–901 : P&ID for DPP closed drain system – collection headers;

·         DWG–DPP–PR–771–101 : P&ID for DPP fuel/utilities for gas turbine generator;

·         DWG–DPP–PR–771–102 : P&ID for DPP fuel gas receiver;

·         DWG–DPP–PR–772–101 : P&ID for DPP diesel system – diesel day tank and emergency power generator;

·         DWG–DPP–PR–661–003 : P&ID for fire water pump (DPP–P–6101);

·         DWG–DPP–PR–661–004 : P&ID for fire water pump (DPP–P–6102); and

·         DWG–DPP–PR–661–005 : P&ID for fire water ringmain.

The above-mentioned P&IDs are attached in Appendix II.

2.2工作范围

HAZOP研究的范围是P&ID中详述的X 30-1 DPP平台工艺设施和相关公用设施，包括：

•图纸–DPP–PR–111–101：DPP井口的P&ID；

•图纸–DPP–PR–112–101：DPP生产封头和试验封头的P&ID；

•图纸–DPP–PR–113–101：DPP试验分离器的P&ID；

•图纸–DPP–PR–114–101：DPP生产分离器的P&ID；

•图纸–DPP–PR–114–102：DPP气体冷却器的P&ID；

•图纸–DPP–PR–115–101：DPP出口气体清管器发射器的P&ID；

•图纸–DPP–PR–221–111：DPP湿气压缩–入口气体洗涤器和气体压缩机（A列）的P&ID（未来）；

•图纸–DPP–PR–221–112:DPP湿气压缩后冷却器和排放气体洗涤器（A列）的P&ID（未来）；

•图纸–DPP–PR–221–121：DPP湿气压缩–入口气体洗涤器和气体压缩机（B列）的P&ID（未来）；

•图纸–DPP–PR–221–122:DPP湿气压缩后冷却器和排放气体洗涤器（B列）的P&ID（未来）；

•图纸–DPP–PR–221–211：DPP TEG脱水系统的P&ID–过滤器分离（A列）；

•图纸–DPP–PR–221–212：DPP TEG脱水系统的P&ID–乙二醇接触器和贫TEG/干气热交换器（A列）；

•图纸–DPP–PR–221–221：DPP TEG脱水系统的P&ID–过滤器分离（B列）；

•图纸–DPP–PR–221–222：DPP TEG脱水系统的P&ID–乙二醇接触器和贫TEG/干气热交换器（B列）；

•图纸–DPP–PR–222–111：DPP TEG再生的P&ID–TEG闪蒸罐和过滤器（A列）；

•图纸–DPP–PR–222–113：DPP TEG再生–TEG再生器和TEG蒸馏塔（A列）的P&ID；

•图纸–DPP–PR–222–114：DPP TEG再生的P&ID–TEG循环泵和贫/富气热交换器（A列）；

•图纸–DPP–PR–223–101：DPP冷凝水脱水–冷凝水冷却器和过滤器的P&ID；

•图纸–DPP–PR–223–102：DPP冷凝水脱水–冷凝水聚结器A和冷凝水出口泵的P&ID；

•图纸–DPP–PR–223–103：DPP冷凝水脱水–冷凝水聚结器B的P&ID；

•图纸–DPP–PR–224–101：DPP含油污水处理–水力旋流器的P&ID；

•图纸–DPP–PR–224–102：DPP含油水处理–撇油桶的P&ID；

•图纸–DPP–PR–331–101：DPP燃气系统–燃气洗涤器的P&ID；

•图纸–DPP–PR–331–103：DPP燃气系统–燃气过热器的P&ID；

•图纸–DPP–PR–332–101：DPP柴油系统的P&ID–柴油储存和分配；

•图纸–DPP–PR–332–102：DPP柴油系统的P&ID–柴油储存和分配；

•图纸–DPP–PR–333–101：DPP高压火炬分液罐的P&ID；

•图纸–DPP–PR–333–102：DPP高压和低压火炬头设施的P&ID；

•图纸–DPP–PR–333–901：DPP高压/低压火炬收集集管的P&ID；

•图纸–DPP–PR–441–101：DPP海水系统的P&ID–海水提升泵和自动反洗粗滤器；

•图纸–DPP–PR–441–102：DPP海水系统的P&ID–海水分配；

•图纸–DPP–PR–445–101：DPP闭式排水系统的P&ID–闭式排水桶和泵；

•图纸–DPP–PR–445–102：DPP明渠–储罐和回收泵的P&ID；

•图纸–DPP–PR–445–901:DPP闭式排水系统–收集集管的P&ID；

•图纸–DPP–PR–771–101：燃气轮机发电机DPP燃料/公用设施的P&ID；

•图纸–DPP–PR–771–102：DPP燃气接收器的P&ID；

•图纸–DPP–PR–772–101：DPP柴油系统–柴油日计量箱和应急发电机的P&ID；

•图纸–DPP–PR–661–003：消防水泵的P&ID（DPP–P–6101）；

•图纸–DPP–PR–661–004：消防水泵的P&ID（DPP–P–6102）；和

•图纸–DPP–PR–661–005：消防水环管的P&ID。

上述P&ID见附录II。