Continuous conduit apparatus based on guiding and injecting integrated mechanism

Patent metadata

Field	Value
Publication number	US-12018536-B2
Application number	US-202018010091-A
Country	US
Kind code	B2
Filing date	Dec 3, 2020
Priority date	Jul 28, 2020
Publication date	Jun 25, 2024
Grant date	Jun 25, 2024

Abstract

Disclosed is a continuous conduit apparatus based on guiding and injecting integrated mechanism, which comprises a straightening apparatus and a pair of sprocket and chain clamping assemblies. The pair of sprocket and chain clamping assemblies are configured to clamp the conduit and pull the conduit to go downwards a well or upwards a lifting direction. Between the pair of sprocket and chain clamping assemblies, a conduit guide channel applied for the conduit to passing through is formed. An inlet and an outlet of the conduit guide channel are not situated in a straight line, and the straightening apparatus are configured to straighten the conduit. Each of the two sprocket and chain clamping assemblies comprises a sprocket set, a chain, a plurality of clamping blocks mounted on the chain, and a pushing plate configured to press the clamping blocks.

First claim

What is claimed is:

1. A continuous conduit apparatus based on a guiding and injecting integrated mechanism, comprising a straightening apparatus and a pair of sprocket and chain clamping assemblies, the pair of sprocket and chain clamping assemblies are configured to clamp the conduit and pull the conduit to go downwards in a well or upwards in a lifting direction; between the pair of sprocket and chain clamping assemblies, a conduit guide channel applied for the conduit to passing through is formed; an inlet and an outlet of the conduit guide channel are not situated in a straight line,
wherein the straightening apparatus comprises a bracket, a plurality of first rollers, a second roller, a crank arm and a pressing hydraulic cylinder, the plurality of first rollers and the second roller respectively deposited at two sides of the conduit, the first rollers are at least two first rollers, and the first rollers are arranged in a straight line,
wherein one end of the crank arm is movably connected to the bracket, the second roller is rotatably mounted at an inflection point of the crank arm, an output end of the pressing hydraulic cylinder is connected to another end of the crank arm, and
wherein the second roller is movable to the first rollers to press the conduit and to form a straightening channel between the plurality of first rollers and the second roller.

2. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 1 , wherein the conduit guide channel is arc-shaped.

3. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 2 , wherein each of the two sprocket and chain clamping assemblies comprises a sprocket set, a chain, a plurality of clamping blocks mounted on the chain, and a pushing plate configured to press the clamping blocks;
the pushing plate is an arc-shaped plate, both pushing plates of the two sprocket and chain clamping assemblies are concentrically arranged; and the pushing plate of at least one sprocket and chain clamping assembly has a clamping driving device connected, the clamping driving device is configured to drive the pushing plate to move in a radial direction;
the pushing plates of the two sprocket and chain clamping assemblies are configured to form the conduit guide channel between a certain number of the clamping blocks of the two sprocket and chain clamping assemblies, and make the certain number of the clamping blocks of the two sprocket and chain clamping assemblies clamp the conduit.

4. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 2 , wherein an angle between an inlet direction and an outlet direction of the conduit guide channel is an acute angle; and the inlet of the conduit guide channel has an arc-shaped guide short section arranged.

5. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 1 , wherein each of the two sprocket and chain clamping assemblies comprises a sprocket set, a chain, a plurality of clamping blocks mounted on the chain, and a pushing plate configured to press the clamping blocks;
the pushing plate is an arc-shaped plate, both pushing plates of the two sprocket and chain clamping assemblies are concentrically arranged; and the pushing plate of at least one sprocket and chain clamping assembly has a clamping driving device connected, the clamping driving device is configured to drive the pushing plate to move in a radial direction;
the pushing plates of the two sprocket and chain clamping assemblies are configured to form the conduit guide channel between a certain number of the clamping blocks of the two sprocket and chain clamping assemblies, and make the certain number of the clamping blocks of the two sprocket and chain clamping assemblies clamp the conduit.

6. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 3 , wherein the pushing plate presses the clamping blocks through a bearing roller.

7. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 3 , wherein a sprocket set of a sprocket and chain clamping assembly located at a periphery comprises a driving wheel, a tensioning wheel, and a driven wheel; and a sprocket set of a sprocket and chain clamping assembly located in an inlier comprises at least a driving wheel and a driven wheel.

8. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 3 , wherein the clamping driving device is a hydraulic cylinder.

9. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 3 , wherein a clamping surface of the clamping block has a certain radian at a guiding direction.

10. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 9 , wherein an angle between an inlet direction and an outlet direction of the conduit guide channel is an acute angle; and the inlet of the conduit guide channel has an arc-shaped guide short section arranged.

11. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 1 , wherein an angle between an inlet direction and an outlet direction of the conduit guide channel is an acute angle; and the inlet of the conduit guide channel has an arc-shaped guide short section arranged.

12. The continuous conduit apparatus based on a guiding and injecting integrated mechanism according to claim 1 , wherein the straightening apparatus is a roller straightening apparatus.

13. A continuous conduit apparatus based on a guiding and injecting integrated mechanism, comprising a straightening apparatus and a pair of sprocket and chain clamping assemblies, the pair of sprocket and chain clamping assemblies are configured to clamp the conduit and pull the conduit to go downwards in a well or upwards in a lifting direction; between the pair of sprocket and chain clamping assemblies, a conduit guide channel applied for the conduit to passing through is formed; an inlet and an outlet of the conduit guide channel are not situated in a straight line,
wherein a sprocket set of one of the pair of sprocket and chain clamping assemblies located at a periphery comprises a driving wheel, a tensioning wheel, and a driven wheel; and a sprocket set of another of the pair of sprocket and chain clamping assemblies located in an inlier comprises at least a driving wheel and a driven wheel,
wherein the straightening apparatus is configured to straighten the conduit.

Assignees

• Univ Shenzhen

Inventors

• Gao Mingzhong
• Xie Heping
• Yang Mingqing
• Chen Ling
• Zhao Le
• Li Jianan
• Yu Bo
• Li Cong
• He Zhiqiang
• Hu Yunqi

Classifications

• B21D3/05

  arranged on axes rectangular to the path of the work · CPC title

• E21B19/22 Primary

  Handling reeled pipe or rod units, e.g. flexible drilling pipes {(lifting or hauling appliances using two or more cooperating endless chains B66D3/003)} · CPC title