Strengthening parameter drilling method suitable for Sichuan and Chongqing areas

A parameter and drilling technology, which is applied in the field of petroleum engineering equipment development, can solve the problems of high drilling cost, low mechanical speed of penetration, fast wear of drill bits, etc., and achieve the effects of shortening the drilling cycle, increasing the mechanical speed of penetration, and reducing drilling costs

Pending Publication Date: 2021-12-31
CHINA PETROCHEMICAL CORP +3
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  • Claims
  • Application Information

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Problems solved by technology

At present, there is no effective strengthening parameter method in the field construction, and there is no model simulation analys

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  • Strengthening parameter drilling method suitable for Sichuan and Chongqing areas
  • Strengthening parameter drilling method suitable for Sichuan and Chongqing areas
  • Strengthening parameter drilling method suitable for Sichuan and Chongqing areas

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with specific examples.

[0038] In order to have a clearer understanding of the purpose, technical solutions and effects of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below. Herein, the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but not to limit the present invention.

[0039] Although the present invention provides method operation steps or device structures as shown in the following embodiments, more or less operation steps may be included in the method or device based on routine or no creative work. In steps or structures that logically do not have a necessary causal relationship, the execution order of these steps or the modular structure of the device is not limited to the execution order or modular structure shown in the embodiments of the pr...

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Abstract

The invention discloses a strengthening parameter drilling method suitable for Sichuan and Chongqing areas. The stratigraphic sequence of the Sichuan and Chongqing areas sequentially comprises a Jialing River group, a Changxing group, a Longtan group, a Hanjiadian group and a Longmaxi group from top to bottom. Well bottom bit pressure, top drive rotating speed, drill bit rotating speed, displacement and drilling fluid density are collected in real time. The mechanical drilling speed is calculated through the strengthening parameter model, and the mechanical drilling speed corresponding to the well bottom drilling pressure, the top drive rotating speed, the drill bit rotating speed, the displacement and the drilling fluid density which are collected in real time is obtained; the boundary condition of each stratum is set, the top drive rotating speed is adjusted, the boundary conditions are combined until the optimal mechanical drilling speed is calculated, and the well bottom drilling pressure, the top drive rotating speed and the displacement which are correspondingly collected according to the optimal mechanical drilling speed are obtained, so as to reduce the abrasion of a drill bit, improve the mechanical drilling speed, shorten the drilling period and reduce the drilling cost.

Description

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Claims

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Application Information

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Owner CHINA PETROCHEMICAL CORP
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