THEORETICAL ANALYSIS AND SIMULATING TEST OF UNBENDING DRILL COLLAR

doi:10.7623/syxb199703018

Editorial office of ACTA PETROLEI SINICA ›› 1997, Vol. 18 ›› Issue (3): 115-118.DOI: 10.7623/syxb199703018

• Petroleum Engineering • Previous Articles Next Articles

THEORETICAL ANALYSIS AND SIMULATING TEST OF UNBENDING DRILL COLLAR

Gong Weian

Changqing Petroleum Exploration Bureau

Received:1995-07-05 Revised:1996-08-11 Online:1997-07-25 Published:2013-07-08

压不弯钻铤装置的理论探索

龚伟安

长庆石油勘探局

作者简介:龚伟安,1958年毕业于北京石油学院.现为长庆石油管理局钻采工艺研究院副院长.教授级工程师.通讯处:甘肃省庆阳县邮政编码:745101.

Abstract

Abstract: The unique phenomena at any cross section of EULER compressive bar under the zero bending moment is analyzed.With this situation,any amount of axial load can be applied to compressive bar of arbitrary length without bending.The laboratory test has proven that theoretical analysis is practical.On this basis,a new kind of unbending drill collar tool has been designed,which is probably to be a new kind of inclination preventive tool.

Key words: deviation control, drill collar, simulation test, inclination preventive tool

摘要： 从理论上分析了欧拉压杆任意截面上弯矩为零的状态下所出现的奇异现象.在此状态下可在任意长度的压杆上,加任意大小的轴向载荷,而不产生弯曲.通过室内模拟试验证明,理论分析是符合实际的.为此,设计了一种压不弯钻铤装置,此装置有可能成为防斜打直的一种全新的井下钻具.

关键词: 井斜控制, 钻铤, 模拟试验, 防斜装置

Gong Weian. THEORETICAL ANALYSIS AND SIMULATING TEST OF UNBENDING DRILL COLLAR[J]. Editorial office of ACTA PETROLEI SINICA, 1997, 18(3): 115-118.

龚伟安. 压不弯钻铤装置的理论探索[J]. 石油学报, 1997, 18(3): 115-118.

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THEORETICAL ANALYSIS AND SIMULATING TEST OF UNBENDING DRILL COLLAR

压不弯钻铤装置的理论探索

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