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First Usage of an Effective Device for Landing the Production Tubing in Subsea/Deep Water Wells in Malaysia

机译：首先使用一种用于在马来西亚海底/深水井中降落生产管的有效装置

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Spacing out production tubing and landing the tubing hanger in subsea completions is particularly challenging in wells with extreme well depths or in highly deviated well bores, as rig heave can significantly challenge space-out operations. Another problem also can occur when attempting to enter the casing at the subsea blowout preventer (BOP) in deep water, since the subsea currents can initiate a bending motion to the riser, causing the bottom of the completion to enter the subsea blowout preventer (BOP) at an angle. If the angle is too high, set-down weight or compression must be applied to push the completion through, placing shearable travel joints at risk of prematurely shearing. Even after pushing the travel joint through the subsea BOP, the completion design must manage friction induced by well deviations or ‘S’ curve well bores. Also, the travel joint must remain rigid enough to land seals into production packers at the formation. Often, these challenging scenarios with high angles can be further complicated by limited available slack-off weight. This paper will discuss how the development of new travel-joint designs were capable of resolving challenges such as those mentioned above that were encountered on the the first deepwater subsea development for an operator in Malaysia. This was also the first entirely deepwater subsea development in Malaysia, and at the time of the commencement of its development, an average production of 135,000 barrels per day of hydrocarbon was expected from the project. To address the completion obstacles discussed above, a service/engineering company developed a long, space-out travel joint (LSOTJ) designed to telescope downward in response to a timed application of a compressive load rather than a shearing event as in standard designs. The LSOTJ slowly scopes downward during lowering of the production tubing until the hanger is landed. Equipment development was comprised of two versions of the long space-out travel joint; one version is a non-continuous sealing (NCS-LSOTJ) version, and the other is a continuous sealing (CS-LSOTJ) version This paper will discuss the design and development of the two LSOTJ versions, and the first usage of the continuous sealing version in Malaysia, which was also its first usage world-wide.
机译：在海底完井中间隔开出生产管道和降落管衣架在井中具有极端井深或高度偏离的孔尤其挑战，因为钻机升降机可以显着挑战空间输送操作。在Deply水中的海底井喷预防仪（BOP）进入壳体时，也可能发生另一个问题，因为海底电流可以向提升机启动弯曲运动，导致完成的底部进入海底井喷防止（BOP ）以一定角度。如果角度太高，则必须施加防止重量或压缩以推动完成，以过早剪切的风险地放置可覆盖的行程接头。即使在通过海底BOP推动旅行接头之后，完成设计也必须管理由井偏差或'曲线孔的摩擦。此外，行程接头必须保持足够刚性的，以将密封件落入形成的生产封隔器中。通常，具有高角度的这些具有挑战性的情景可以通过有限的可用松弛重量进一步复杂。本文将讨论新的旅行联合设计的发展能够解决上述挑战，这些挑战是在马来西亚的第一次欧洲经营者的第一个深水海底开发中遇到的挑战。这也是马来西亚的第一个完全深水海底发展，在开始发展时，预计该项目预计将每天每天生产135,000桶的平均产量。为了满足上面讨论的完工障碍，服务/工程公司开发了一个长时间的太空行程（LSOTJ），旨在向向下望远下望远镜，响应于正常施加压缩载荷而不是像标准设计中的剪切事件。在降低生产管道之前，LSOTJ在降低到吊架降落时慢慢地在下行。设备开发由两个版本的长时间行程联合组成;一个版本是非连续的密封（NCS-LSOTJ）版本，另一个是连续密封（CS-LSOTJ）版本本文将讨论两个LSOTJ版本的设计和开发，以及连续密封的首次使用马来西亚的版本，这也是全球首次使用。

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