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Fluidic-type three-dimensional compound impactor

A three-dimensional compound and impactor technology, which is applied in liquid/gas jet drilling, drilling equipment, earthwork drilling and production, etc., can solve the problems of reduced stroke footage, drill bit failure, and no axial impact function, etc., to ensure the circulation flow channel , Improve the rock-breaking environment and improve the effect of rock-breaking energy

Pending Publication Date: 2020-01-24
中石化石油工程技术服务有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In recent years, near-bit auxiliary rock-breaking tools with jet components as the core control unit have emerged continuously, among which jet-type hydraulic hammers and jet-type torsion impact tools are represented, but the application process of the two also reflects Some deficiencies and defects, such as: the jet-type hydraulic hammer mainly relies on the up and down reciprocating movement of the hammer to generate a single axial impact force, and has no torsional impact function, so it often occurs that the rock-breaking environment cannot be effectively improved while increasing the rock-breaking energy, resulting in The drill bit fails early and reduces the stroke footage; while the jet-type twisting tool is just the opposite, it mainly relies on the pendulum to rotate back and forth to generate a single torsional impact force, and has no axial impact function, which results in improving the rock-breaking environment of the drill bit at the same time. The rock-breaking energy cannot be greatly increased, resulting in the situation where the speed-up effect is not obvious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] Such as figure 1 As shown, a jet-type three-dimensional composite impactor is composed of an upper joint 1, a disc spring 2, a gland 3, a jet element 4, a guide block 5, a pendulum 6, an upper shell 7, a lower shell 8, and a reversing It is composed of device 9, inner cylinder 10, hammer 11, nozzle 12, nozzle base 13 and lower joint 14.

[0078] Such as Figure 1 to Figure 9 As shown, the outer lower end of the upper joint 1 is connected to the upper end of the upper housing 7 through threads, and a gland 3 is inserted into the inner through hole of the upper joint 1, and a disc spring 2 is installed between the upper joint 1 and the gland 3; the upper housing 7 The interior is equipped with a jet element 4 and a flow guide block 5, the upper end surface of the jet element 4 is in contact with the lower end surface of the gland 3, the lower end surface of the jet element 4 is in contact with the upper end surface of the flow guide block 5, and the lower end of the uppe...

Embodiment 2

[0092] Such as figure 1 and Figure 5 As shown, in the first embodiment, the transmission surface 15 is a regular hexagonal transmission surface. The difference between the second embodiment and the first embodiment is only that the shape of the transmission surface 15 is different. In the second embodiment, the transmission surface 15 is a square transmission surface.

[0093] In summary, the embodiment of the present invention discloses a jet-type three-dimensional composite impactor, which includes an upper joint, a disc spring, a gland, a jet element, a deflector block, a pendulum, an upper shell, a lower shell, and a reversing Under the control of the jet element, the pendulum rotates periodically and collides with the lower shell to generate a torsional impact force. The pendulum drives the converter during the rotation The counter rotates, and then drives the hammer to produce periodic up and down reciprocating motion with the same frequency as the pendulum, and conta...

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Abstract

The invention discloses a fluidic-type three-dimensional compound impactor. The fluidic-type three-dimensional compound impactor comprises an upper joint, a disc spring, a gland, a fluidic element, aguiding block, a pendulum bob, an upper shell body, a lower shell body, a commutator, an inner cylinder, a punch hammer, a nozzle, a nozzle base and a lower joint; under the control of the fluidic element, the pendulum bob generates periodic rotation, and is in contact and collision with the lower shell body to generate torsional impact force, in the process of rotating, the pendulum bob drives the commutator to rotate, and thus the punch hammer is driven to generate the periodic up and down reciprocating motion with the same rotation frequency as the pendulum bob, and is in contact and collision with the lower joint to generate axial impact force. According to the provided fluidic-type three-dimensional compound impactor, the torsional impact force and the axial impact force with the samefrequency can be generated, the rock breaking energy is advantageously improved, and the rock breaking environment is advantageously improved.

Description

technical field [0001] The invention relates to the technical fields of oil and gas exploration, geological exploration and geothermal well development, in particular to a jet-type three-dimensional composite impactor. Background technique [0002] As oil and gas exploration and development gradually expand to deep, deep sea and piedmont structural belts, the proportion of deep wells, ultra-deep wells, and directional horizontal wells is increasing. At the same time, due to the obvious increase in mechanical parameters, drillability and abrasiveness of rocks under the action of deep layers and high confining pressure, when drilling into deep layers and large confining pressure formations, it often encounters slow ROP and short stroke footage. , Large consumption of drill bits and other bottlenecks. [0003] In order to solve the above problems, under the condition of not increasing the ground pump equipment, by setting auxiliary rock-breaking tools above the drill bit, in o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B4/16E21B7/18
CPCE21B4/16E21B7/18
Inventor 甘心侯树刚李伟廷晁文学杨玄王旭明
Owner 中石化石油工程技术服务有限公司