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首页> 外文会议>SPE/PS-CIM/CHOA international thermal operations and heavy oil symposium and international horizontal well technology conference >A Novel Underbalanced Perforating Gun Deployment System Using Production Packer Technology Successfully Completes HP/HT Offshore Horizontal Well in a Single Trip
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A Novel Underbalanced Perforating Gun Deployment System Using Production Packer Technology Successfully Completes HP/HT Offshore Horizontal Well in a Single Trip

机译：一种采用Production Packer技术的新型欠平衡射孔枪部署系统，一次即可成功完成HP / HT海上水平井

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An innovative completion method was recently used torncomplete a well in the Skua oil field in the central area of thernNorth Sea. The Skua field is part of the ETAP (Eastern TroughrnArea Project) and is borderline high-pressure/high-temperaturern(HP/HT) with a reservoir pressure of 9,350 psi and a reservoirrntemperature of 307 °F. The initial field development plan wasrnto have one subsea well with a horizontal reservoir section ofrn2,000 ft to drain the prospect. Production would be tied backrnto a central processing platform.rnThe completion design for this well had to addressrnseveral challenges.rn1. What method could be selected for sand control in the longrnhorizontal sectionrn2. What equipment would maintain integrity in near HP/HTrnwell conditionsrn3. What configuration would allow the completion to be runrnunderbalanced without completion isolation devices.rnSeveral completion options were reviewed. A new gundeploymentrnsystem based on production packer technologyrnwas chosen because it appeared to offer the best option forrnmeeting all the well requirements. The system would alsornallow the tubing-conveyed perforating (TCP) guns to bernrecovered if they failed to fire or malfunction.rnOrientated perforating guns were used to mitigate sandrnproduction. The gun system was deployed from a novelrnpolished bore receptacle (PBR) and permanent packer systemrnthat allowed for retrieval of the guns should they fail to fire orrnmalfunction after the packer had been set. The polished borernreceptacle and hydraulically set permanent packer wererndesigned with the guns hung off the seal assembly of thernpolished bore receptacle and the tailpipe run through thernpermanent packer to the TCP guns.rnA significant feature of the hydraulically set packer-TCPrngun deployment system is that it allows contingencies forrnrecovery of the completion and TCP guns from the well in thernevent of a total or partial perforation misfire. This was arnnecessary requirement in view of the fact that a longrnperforation gun string was to be deployed in a hightemperaturernreservoir where there would be an increased riskrnof gun failure due to the ambient reservoir conditions.rnThe Skua well was completed with a fully cemented liner.rnThe completion and TCP guns were run, and the well wasrnsuccessfully completed and perforated underbalanced (withoutrnan isolation device) in a single trip.
机译：最近，一种创新的完井方法被用于对北海中部地区斯库油田的一口井进行完井。 Skua油田是ETAP（东部海槽地区项目）的一部分，是高压/高温临界温度（HP / HT），储层压力为9,350 psi，储层温度为307°F。最初的油田开发计划是拥有一口海底井，水平储层段为2,000英尺，以排干远景。生产将被绑定到中央处理平台。这口油井的完井设计必须解决几个挑战。在长水平段中可以选择哪种方法进行防砂。什么样的设备可以在HP / HTnwell条件下保持完整性3。什么样的配置可以使完井在没有完井隔离装置的情况下失衡。rn审查了几个完井选项。选择了一种基于生产封隔器技术的新型枪支部署系统，因为它似乎是满足所有油井需求的最佳选择。该系统还可以防止发火或发生故障的管道输送射孔枪（TCP）被回收。定向射孔枪用于减轻沙尘的产生。喷枪系统是从一个新颖的抛光孔容器（PBR）和永久性封隔器系统部署的，该系统可以在封隔器安装好后未能发射出故障或损坏的情况下取回喷枪。抛光的膛孔容器和液压固定式封隔器的设计是将喷枪悬挂在打磨过的膛孔容器的密封组件上，并且尾管穿过永久性封隔器到达TCP枪。在完全或部分射孔不点火的情况下，从井中回收完井和TCP枪。鉴于需要在高温油藏中部​​署长射孔枪管，由于周围的油藏条件，枪支故障的风险将会增加，因此这是一项必要的要求。然后使用TCP枪，一次成功完成完井并打孔欠平衡孔（无隔离装置）。

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