基于侵入固相返排的低孔低渗气藏测试压差模型

张海山; 邱康; 李三喜; 王宏民; 段飞飞; 秦丙林

doi:10.13639/j.odpt.2016.05.021

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基于侵入固相返排的低孔低渗气藏测试压差模型

张海山, 邱康, 李三喜, 王宏民, 段飞飞, 秦丙林

文章导航 > 石油钻采工艺 > 2016 > 38(5): 657-660

张海山, 邱康, 李三喜, 王宏民, 段飞飞, 秦丙林. 基于侵入固相返排的低孔低渗气藏测试压差模型[J]. 石油钻采工艺, 2016, 38(5): 657-660. doi: 10.13639/j.odpt.2016.05.021

引用本文:

ZHANG Haishan, QIU Kang, LI Sanxi, WANG Hongmin, DUAN Feifei, QIN Binglin. Differential pressure model for testing low-porosity and low-permeability gas reservoir based on discharged invading solids[J]. Oil Drilling & Production Technology, 2016, 38(5): 657-660. doi: 10.13639/j.odpt.2016.05.021

Citation:

ZHANG Haishan, QIU Kang, LI Sanxi, WANG Hongmin, DUAN Feifei, QIN Binglin. Differential pressure model for testing low-porosity and low-permeability gas reservoir based on discharged invading solids[J]. Oil Drilling & Production Technology, 2016, 38(5): 657-660. doi: 10.13639/j.odpt.2016.05.021

基于侵入固相返排的低孔低渗气藏测试压差模型

doi: 10.13639/j.odpt.2016.05.021

1.
中海石油中国有限公司上海分公司
2.
中石化海洋石油工程有限公司

详细信息

中图分类号: TE353

Differential pressure model for testing low-porosity and low-permeability gas reservoir based on discharged invading solids

1.
Shanghai Branch Company of CNOOC China, Shanghai 200030, China
2.
CNOOC Offshore Oil Engineering Co. Ltd., Shanghai 200120, China

摘要: 地层测试时，考虑井壁稳定、出砂、管柱安全等问题，测试压差一般仅考虑上限要求，而采用过低的测试压差将导致地层侵入固相无法有效地返排。针对侵入固相返排所需要的最小压差问题，考虑侵入固相返排所需的拖拽力，结合低孔低渗气藏渗流特性，建立了低孔低渗气藏测试压差下限模型。高于模型计算的测试压差，才可以有效地排出地层侵入物，获得更好的产能和更加真实的地层数据。现场应用表明，该模型能够提供满足现场需求的测试压差下限，可为测试压差的设计提供参考。
- 低孔低渗气藏 /
- 侵入固相 /
- 返排 /
- 拖拽力 /
- 测试压差 /
- 应力敏感性
Abstract: With consideration of side-wall stability, sand production, toolstring safety and other problems, only the upper limits of differential pressure are reviewed during formation test. In fact, invading solids in formations may not be discharged effectively at low testing differential pressure. With consideration of the minimum differential pressure required for discharging invading solids, the model for lower limits of differential pressure for testing low-porosity and low-permeability gas reservoir was constructed to take dragging forces required for discharging invading solids and seepage characteristics of low-porosity and low-permeability gas reservoirs into account. Invading solids can be effectively discharged, together with higher productivities and more accurate formation data can be measured at differential pressure higher than that calculated using the newly developed model. Field application results show the model can satisfactorily determine the testing differential pressure required for field operation and provide necessary references for designing the pressure .
- low-porosity and low-permeability gas reservoir /
- invading solid /
- discharge /
- dragging force /
- testing differential pressure /
- stress sensitivity

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基于侵入固相返排的低孔低渗气藏测试压差模型

doi: 10.13639/j.odpt.2016.05.021

1. 中海石油中国有限公司上海分公司

2. 中石化海洋石油工程有限公司

收稿日期: 2019-05-23
修回日期: 2019-05-23
刊出日期: 2016-11-08

中图分类号: TE353

关键词:

低孔低渗气藏 /

侵入固相 /

返排 /

拖拽力 /

测试压差 /

应力敏感性

摘要: 地层测试时，考虑井壁稳定、出砂、管柱安全等问题，测试压差一般仅考虑上限要求，而采用过低的测试压差将导致地层侵入固相无法有效地返排。针对侵入固相返排所需要的最小压差问题，考虑侵入固相返排所需的拖拽力，结合低孔低渗气藏渗流特性，建立了低孔低渗气藏测试压差下限模型。高于模型计算的测试压差，才可以有效地排出地层侵入物，获得更好的产能和更加真实的地层数据。现场应用表明，该模型能够提供满足现场需求的测试压差下限，可为测试压差的设计提供参考。

English Abstract

Differential pressure model for testing low-porosity and low-permeability gas reservoir based on discharged invading solids

1. Shanghai Branch Company of CNOOC China, Shanghai 200030, China

2. CNOOC Offshore Oil Engineering Co. Ltd., Shanghai 200120, China

Received Date: 2019-05-23
Rev Recd Date: 2019-05-23
Publish Date: 2016-11-08

Keywords:

low-porosity and low-permeability gas reservoir /
invading solid /
discharge /
dragging force /
testing differential pressure /
stress sensitivity

Abstract: With consideration of side-wall stability, sand production, toolstring safety and other problems, only the upper limits of differential pressure are reviewed during formation test. In fact, invading solids in formations may not be discharged effectively at low testing differential pressure. With consideration of the minimum differential pressure required for discharging invading solids, the model for lower limits of differential pressure for testing low-porosity and low-permeability gas reservoir was constructed to take dragging forces required for discharging invading solids and seepage characteristics of low-porosity and low-permeability gas reservoirs into account. Invading solids can be effectively discharged, together with higher productivities and more accurate formation data can be measured at differential pressure higher than that calculated using the newly developed model. Field application results show the model can satisfactorily determine the testing differential pressure required for field operation and provide necessary references for designing the pressure .

引用本文:

Citation:

ZHANG Haishan, QIU Kang, LI Sanxi, WANG Hongmin, DUAN Feifei, QIN Binglin. Differential pressure model for testing low-porosity and low-permeability gas reservoir based on discharged invading solids[J]. Oil Drilling & Production Technology, 2016, 38(5): 657-660. doi: 10.13639/j.odpt.2016.05.021