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Radial horizontal well steering gear simulation experiment method and device

A simulation experiment device and simulation experiment technology, applied in the field of radial horizontal well diverter simulation experiment method and device, can solve the problems of high cost, long diverter design and processing cycle, etc., achieve high success rate, shorten design and processing The effect of cycle time and cost

Active Publication Date: 2022-06-24
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Abstract
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Problems solved by technology

[0010] The purpose of the present invention is to provide a radial horizontal well diverter simulation experiment method and device to solve the technical problems of relatively long design and processing cycle and relatively high cost of the diverter

Method used

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  • Radial horizontal well steering gear simulation experiment method and device
  • Radial horizontal well steering gear simulation experiment method and device
  • Radial horizontal well steering gear simulation experiment method and device

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Embodiment Construction

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Option One

[0035] The invention provides a radial horizontal well diverter simulation experiment method, which uses the pipe body 10 to simulate the diverter track to conduct the steering experiment; such as figure 1 As shown, the pipe body 10 includes: a vertical section 11, an oblique straight section 12, and a circular arc section 13. The circular arc section 13 is shaped by a fixing mechanism 20 and a setting plate 30, a...

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Abstract

The invention provides a radial horizontal well steering gear simulation experiment method and device, and the method comprises the steps: employing a pipe body to simulate a steering gear track for a steering experiment; the pipe body comprises a vertical section, an inclined straight section and an arc section, the arc section is shaped through a fixing mechanism and a shaping disc, the fixing mechanism can fix the pipe body, and the shaping disc controls the outer diameter of the arc section. By means of the steering gear, the technical problems that the design and machining period of the steering gear is long, and cost is high are solved.

Description

technical field [0001] The invention relates to the technical field of oil and gas drilling equipment, in particular to a radial horizontal well diverter simulation experiment method and device. Background technique [0002] The hydraulic jet radial horizontal well technology is a cost-effective means of increasing production and injection of oil and gas wells. This technology uses hydraulic energy to break rock and form holes, and can drill a vertical main wellbore radially with a diameter of 30-50 mm and a length of 30-50 mm. With multiple radial branches of meters, a three-dimensional oil and gas migration high-speed network of "one layer with multiple branches and one well with multiple layers" is constructed in the reservoir. Since this technology needs to complete the steering from vertical to horizontal in the "bowl mouth" casing, ordinary steel pipes cannot meet the requirements of small radius steering, so only small diameter high-pressure hoses can be used as opera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B7/04E21B7/18E21B47/00
CPCE21B7/046E21B7/18E21B47/00
Inventor 李敬彬程康李根生黄中伟王海柱史怀忠杨睿月
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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