36-inch single-barrel double-wellhead oil extraction device

An oil production device and single-tube technology, which is applied in earthwork drilling, wellbore/well components, sealing/isolation, etc., can solve problems such as poor sealing performance, and achieve the effect of improving sealing performance and strengthening sealing performance

Pending Publication Date: 2019-03-08
KUSN AIBEIBEI VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the current casing head structure, the main body of the casing head has the problem of poor sealing performance

Method used

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  • 36-inch single-barrel double-wellhead oil extraction device
  • 36-inch single-barrel double-wellhead oil extraction device
  • 36-inch single-barrel double-wellhead oil extraction device

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Comparison scheme
Effect test

Embodiment 1

[0027] see Figure 1 to Figure 6 , the figure shows a 36-inch single cylinder double wellhead oil production device provided by Embodiment 1 of the present invention, which includes a base 1 and two oil production mechanisms 2, the base 1 has a bottom plate 11, and an installation sleeve 12 is fixedly installed on the bottom plate 11. The installation sleeve 12 has two installation positions 121 corresponding to the two oil production mechanisms 2. A 36-inch inverted slip 13 is installed in the installation sleeve 12, and a first casing 14 is fixedly installed on the 36-inch inverted slip 13. A plurality of 36-inch O-rings 15 are arranged between the outer wall and the inner wall of the installation sleeve 12, and the plurality of 36-inch O-rings 15 are arranged equidistantly along the axial direction of the first casing 14, and the two oil production mechanisms arranged symmetrically 2. Fixedly installed on the base 1, the oil production mechanism 2 has a second casing 21, th...

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PUM

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Abstract

The invention provides a 36-inch single-barrel double-wellhead oil extraction device. The 36-inch single-barrel double-wellhead oil extraction device comprises a base and two oil extraction mechanismswhich are symmetrically arranged. The base is provided with a bottom plate. Mounting sleeves are fixedly mounted on the bottom plate. A 36-inch inverted kava is mounted in the mounting sleeve. A first casing pipe is fixedly mounted at the 36-inch inverted kava. A plurality of 36-inch o-shaped sealing rings are arranged between the outer wall of the first casing pipe and the inner walls of the mounting sleeves. The 36-inch o-shaped sealing rings are arranged in the axial direction of the first casing pipe at equal intervals. The two oil extracting mechanisms are fixedly mounted on the base. The oil extracting mechanisms are provided with second casing pipes. The second casing pipes are fixedly connected with the first casing pipes. Sleeves are arranged outside the second casing pipes in asleeving mode. The second casing pipes are connected with oil pipes. The oil pipes are connected with an oil extracting tree. A plurality of first FS sealing rings are arranged between the outer wallsof the second casing pipes and the inner walls of the sleeves. The first FS sealing rings are arranged in the axial direction of the second casing pipes at equal intervals. Compared with the prior art, the overall sealing performance of the oil extracting device is effectively improved.

Description

technical field [0001] The invention relates to the field of oil and gas production wellhead devices, in particular to a 36-inch single-cylinder double wellhead oil production device. Background technique [0002] Oil and gas production wellhead devices, also known as completion wellhead devices, mainly include oil (gas) trees, tubing heads, casing heads and related accessories. They are oil (gas) production equipment used for suspension, support, control, adjustment, etc. It is an important equipment for production, and its performance is related to whether oil and gas wells can produce safely and efficiently. Advanced, with the continuous development of the petroleum industry, higher requirements are placed on the reliability and controllability of wellhead devices and valves, which prompts and promotes the continuous improvement and development of wellhead devices. [0003] In the current oil and gas production wellhead devices, the casing head is mainly used to fix the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B33/03E21B33/04
CPCE21B33/03E21B33/04
Inventor 张生华
Owner KUSN AIBEIBEI VALVE
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