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A hydraulic setting tool

A technology of hydraulic setting and tools, which is applied in the direction of wellbore/well components, earthwork drilling and production, etc. It can solve the problems of inconvenient construction, difficult seating of balls, and inability of hydraulic setting tools to adapt to a large number of on-site constructions, etc., and achieves compact structure, short size, Low setting pressure and strong passability

Active Publication Date: 2016-04-13
四机赛瓦石油钻采设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the horizontal section is long, even in stepped horizontal wells, even with pumping, sometimes the ball is still difficult to seat, which brings great inconvenience to the construction
[0007] Therefore, the conventionally used hydraulic setting tools are gradually unable to adapt to a large number of on-site construction, and there are many potential hidden dangers in the construction process

Method used

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  • A hydraulic setting tool
  • A hydraulic setting tool
  • A hydraulic setting tool

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] This embodiment provides a hydraulic setting tool, which mainly includes an upper joint 1, an O-ring 2, a set screw 3, a shear sleeve 4, a shear pin 5, a shear pin 6, an upper cylinder liner 7, and a mandrel 8 , O-ring 9, upper piston 10, O-ring 11, upper central tube 12, O-ring 13, intermediate joint 14, connecting cylinder liner 15, spring 16, lower central tube 17, lower piston 18, connecting sleeve 19, Lower joint 20, lower cylinder liner 21.

[0024] The lower end of the mandrel 8 is loaded into the O-ring 9, and the shear sleeve 4 is inserted into the upper end of the mandrel 8 and the shear pin 5 is installed. After the lower end of the upper joint 1 is loaded into the O-ring 2, it is connected with the mandrel 8 by threads, and is fixed with a set screw 3 to prevent loosening. The upper central tube 12 is connected with the mandrel 8 by...

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Abstract

The invention relates to the technical field of oil-gas field oil gas well mining equipment, in particular to a hydraulic setting tool. An upper shear sleeve of the hydraulic setting tool is connected to a central spindle in a hanging mode through a shear pin. An upper connector and an upper central tube are respectively connected with the central spindle. An upper cylinder sleeve is connected with the shear sleeve. The shear sleeve is provided with the shear pin. An upper piston is connected with the upper cylinder sleeve. The upper end of a middle connector is connected with the upper central tube. The lower end of the middle connector is connected with a lower central tube. A lower cylinder sleeve is connected with the upper piston. A lower piston is connected with a connecting cylinder sleeve in a hanging mode through a shear pin. A spring is sleeved at the upper end of the lower central tube. The connecting cylinder sleeve is connected with the lower cylinder sleeve. The lower piston abuts against the spring. A connecting sleeve is connected with the connecting cylinder sleeve and then abuts against the lower piston. A lower connector is connected with the lower central tube. The hydraulic setting tool is compact and short in structure, strong is passing ability, large in area of pistons, low in setting pressure, capable of backwashing, capable of being matched with a non-killing well to construct with pressure, and especially suitable for construction of horizontal wells. Moreover, sand can not be accumulated easily.

Description

technical field [0001] The invention relates to the technical field of exploitation equipment for oil, gas and water wells in oil and gas fields, in particular to a hydraulic setting tool without ball throwing. Background technique [0002] In the production process of oil wells, in order to overcome the contradiction between layers and maximize the recovery rate, multi-layer separate production measures are adopted, and intubation packers are generally used; when water wells are injected, especially high-pressure water injection, in order to prolong the replacement cycle and improve the sealing The long-lasting high pressure resistance of the spacer string requires an intubated packer; in the process of gas well production and gas injection, whether it is carbon dioxide injection or natural gas reinjection, in order to protect the upper casing from high pressure, an intubated packer is also used . The cannulated packer is widely used in domestic oil and gas fields because ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B23/06
Inventor 蔡虎平孙文邦卢刚吴桐雨
Owner 四机赛瓦石油钻采设备有限公司
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