Unlock instant, AI-driven research and patent intelligence for your innovation.

Top-driving manual-automatic integrated internal blowout preventer

A blowout preventer and internal blowout prevention technology, which is applied to drilling equipment and methods, construction, earthwork drilling and mining, etc., can solve the problems of internal blowout preventer not running smoothly, poor transmission reliability, and inaccurate switches, etc., to reduce The effects of processing cost and weight, smooth operation, and overall structure simplification

Inactive Publication Date: 2011-01-12
张宝有
View PDF6 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems that the existing internal blowout preventer is not stable enough, the transmission reliability is poor, the switch is not accurate enough, and the structure is complicated

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Top-driving manual-automatic integrated internal blowout preventer
  • Top-driving manual-automatic integrated internal blowout preventer
  • Top-driving manual-automatic integrated internal blowout preventer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] The present invention will be further described below in conjunction with accompanying drawing:

[0011] As shown in the attached figure, the top-drive manual BOP includes a hydraulic cylinder 3, a switch sleeve 2, and an automatic BOP gear 1. Slide up and down on the BOP main body 4. There is a square hole 5 on the switch sleeve 2, and there is a tooth 6 meshing with the automatic blowout preventer gear 1 on one axial side of the square hole 5. The automatic blowout preventer gear 1 is fixedly connected to the automatic blowout preventer valve rod, and the The sleeve 2 moves up and down, and the gear 1 of the automatic blowout preventer is driven by the tooth 6 to rotate, so as to realize the automatic switch of the automatic blowout preventer. There is an opening 8 under the square hole 5 of the switch sleeve 2, and an axial side of the opening 8 has a lower tooth 10 meshing with the manual BOP gear 9, and the manual BOP gear 9 is fixedly connected to the manual BOP ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a top-driving manual-automatic integrated internal blowout preventer which mainly solves the problems of unstable operation, poor transmission reliability, inaccurate switching and complicated structure of a traditional internal blowout preventer. The top-driving manual-automatic integrated internal blowout preventer is characterized in that a switch sleeve (2) is slidably sleeved outside a blowout preventer main body (4), a square hole (5) is arranged on the switch sleeve (2), a tooth (6) engaged with an automatic blowout preventer gear (1) is arranged on one axial edge in the square hole (5), the automatic blowout preventer gear (1) is fixedly connected onto an automatic blowout preventer valve rod, the upper end of the switch sleeve (2) is connected with a hydraulic cylinder (3), and the hydraulic cylinder (3) is connected with a top-driving hydraulic control system through a pipeline. The top-driving manual-automatic integrated internal blowout preventer has the characteristics of stable operation, high transmission reliability, accurate switching and simple structure.

Description

Technical field: [0001] The invention relates to an internal blowout preventer used in top drive in the field of oilfield drilling, in particular to an internal blowout preventer integrated with manual operation in top drive. Background technique: [0002] In recent years, with the continuous development of drilling equipment technology, in order to better meet the needs of drilling special process wells, top drive drilling rigs have appeared. In order to prevent well kick or blowout accidents due to the pressure in the well being higher than the pressure in the drill string, an internal blowout preventer is installed on the top drive, and the internal passage of the drill string is cut off by closing the internal blowout preventer to ensure drilling safety. However, due to structural reasons, the existing internal blowout preventer has the problems of insufficient smooth operation, poor transmission reliability, inaccurate switching and complex structure, which is not condu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): E21B33/06E21B3/02
Inventor 张宝有
Owner 张宝有