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An oilfield sucker rod broken rod stopping device

A sucker rod and broken rod technology, applied in drill pipes, drill pipes, casings, etc., can solve problems such as safety accidents, damage to the driving mechanism, and breakage of sucker rods, and achieve the effect of avoiding damage and prolonging service life.

Active Publication Date: 2022-03-18
东营市三和石油装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The sucker rod is an important part of the rod pumping equipment. The material is generally high carbon steel plated with hard chromium. The sucker rod string is connected by dozens or hundreds of sucker rods. The sucker rod string is The polished rod is connected to the pumping unit on the ground, and the pumping pump is connected to the bottom, and the reciprocating motion of the pumping unit on the ground is transmitted to the pumping pump downhole for oil pumping; during the oil production process, the sucker rod string bears the asymmetric cyclic load, And because the depth of current oil well pumps is generally about 2,000 meters, and the deepest one has reached more than 4,000 meters, the load on the sucker rod string itself in ultra-deep wells is also relatively large, and the existing upsetting sucker rods cannot To meet the needs of ultra-deep well mining, it is easy to cause the breakage accident of the sucker rod, which will shorten the service life of the pump, and even cause damage to the driving mechanism, and even cause a major safety accident

Method used

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  • An oilfield sucker rod broken rod stopping device
  • An oilfield sucker rod broken rod stopping device
  • An oilfield sucker rod broken rod stopping device

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0023] Such as Figure 1-8 As shown, an oilfield sucker rod broken rod stopping device includes a connecting frame 1, a jacket 2, an adjusting mechanism I3, a spring I4, a sliding frame 5, a spring II6, an adjusting mechanism II7, a plugging cover 8 and a connecting sleeve 9, The connecting frame 1 is fixedly connected to one end of the overcoat 2, the blocking cover 8 is fixedly connected to the other end of the overcoat 2, one end of the sliding frame 5 is slidably connected in the overcoat 2, and the sliding frame 5 passes through Blocking cover 8, the connecting sleeve 9 is fixedly connected to the other end of the sliding frame 5, the adjusting mechanism I3 is slidably connected in the casing 2, the adjusting mechanism I3 is screwed to the connecting frame 1, and the adjusting mechanism II7 Connected to the sliding frame 5 by thread, the adjustment mechanism II7 is slidingly connected with the outer casing 2, the adjustment mechanism II7 is rotationally connected with the...

specific Embodiment approach 2

[0025] Such as Figure 1-8 As shown, the connecting frame 1 includes a blocking plate 1-1, a threaded hole 1-2, a connecting plate 1-3, a mounting plate 1-4 and a mounting seat 1-5, and the center of the blocking plate 1-1 is provided with threads Hole 1-2, two connecting plates 1-3 are fixedly connected to the blocking plate 1-1, the mounting plate 1-4 is fixedly connected to the two connecting plates 1-3, and the mounting base 1-5 is fixedly connected to the mounting plate 1 -4 up;

specific Embodiment approach 3

[0026] Such as Figure 1-8 As shown, the outer casing 2 includes an outer tube 2-1, a chute 2-2, a sliding hole 2-3, a contact plate 2-4 and a wire post 2-5, and the outer tube 2-1 is symmetrically provided with two The chute 2-2, the side of the middle part of the outer tube 2-1 is provided with a sliding hole 2-3, two contact plates 2-4 are provided, and the two contact plates 2-4 are fixedly connected to the outer wall of the outer tube 2-1, The two contact plates 2-4 are respectively located at the two ends of the sliding hole 2-3, and the two contact plates 2-4 are provided with wire posts 2-5, and the blocking plate 1-1 is fixedly connected to one end of the outer tube 2-1;

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Abstract

The present invention relates to the field of oil production equipment in oilfields, in particular to a stopper for oilfield sucker rod broken rods, which includes a connecting frame, a jacket, an adjusting mechanism I, a spring I, a sliding frame, a spring II, an adjusting mechanism II, a plugging cover and The connecting sleeve is used to install the device in series with the sucker rod through the mounting seat and the connecting sleeve. The elastic force of spring I and spring II limits the position of the signal plate in the middle of the sliding hole, and at the same time limits the large displacement between the sucker rod and the device. Affect the power transmission, the elastic force of spring I and spring II can be adjusted through the adjustment mechanism Ⅰ and the adjustment mechanism Ⅱ, so that the device can adapt to oil wells with different depths. , unable to send a signal, the external controller sends an instruction to stop the oil pumping equipment, the present invention can stop the oil pumping equipment when the sucker rod breaks off, prolong the service life of the oil well pump, avoid causing damage to the driving mechanism and cause major safety accidents.

Description

technical field [0001] The invention relates to the field of oil production equipment in an oil field, in particular to a device for stopping a broken sucker rod in an oil field. Background technique [0002] The sucker rod is an important part of the rod pumping equipment. The material is generally high carbon steel plated with hard chromium. The sucker rod string is connected by dozens or hundreds of sucker rods. The sucker rod string is The polished rod is connected to the pumping unit on the ground, and the pumping pump is connected to the bottom, and the reciprocating motion of the pumping unit on the ground is transmitted to the pumping pump downhole for oil pumping; during the oil production process, the sucker rod string bears the asymmetric cyclic load, And because the depth of current oil well pumps is generally about 2,000 meters, and the deepest one has reached more than 4,000 meters, the load on the sucker rod string itself in ultra-deep wells is also relatively...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B17/02E21B17/10
CPCE21B17/02E21B17/1085
Inventor 朱善淼
Owner 东营市三和石油装备有限公司