Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Vertical tube-gear rack type pumping unit

A rack-type pumping unit technology, which is applied in the fields of production fluid, wellbore/well components, earthwork drilling and production, etc., can solve problems such as difficulty in manufacturing and installation, impact on service life, and heavy maintenance workload, and achieve Easy to manufacture and install, prolong service life, and short transmission line

Inactive Publication Date: 2004-06-23
李华林
View PDF0 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The beamless pumping units in the prior art mainly include chain pumping units, belt pumping units and other types of linear drive pumping units. Because of the lateral force, not only the structure of the pumping unit becomes complicated and heavy, but also it is more difficult to manufacture and install
In addition, due to the high speed of the motor, it must be decelerated by a reducer, resulting in a long transmission line, many transmission parts, and a relatively complicated stress on the reversing structure. Therefore, the failure rate of the whole machine is high, the maintenance workload is heavy, and the service life is also limited. influences

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
  • Vertical tube-gear rack type pumping unit
  • Vertical tube-gear rack type pumping unit
  • Vertical tube-gear rack type pumping unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] Such as figure 1 and figure 2 As shown, the standpipe type rack pumping unit of the present invention is mainly composed of a wellhead cross, a wellhead nipple, a standpipe, an overhead wheel, a suspension rope, a rack, a sucker rod and a transmission mechanism. The wellhead cross 1 is installed and fixed on the oil wellhead, and its center is provided with an oil production wellhead 2. The wellhead nipple 3 is located on the wellhead cross 1 and connected to the wellhead cross 1 through the flange 4; there is a movable door on its side, and the wellhead 2 can be maintained by opening the movable door. The standpipe 5 is located on the wellhead sub-joint 3 and connected with the wellhead sub-joint 3 through the flange 6, the top of which is provided with a standpipe cap 7, and its periphery is provided with an annular balance weight 8 which can slide up and down along the standpipe 5; The outer wall of the riser 5 below the weight 8 is provided with an anti-collision...

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 vertical tube-gear rack type pumping unit consists of four-way assembly in the well head with oil well head in the center, pup joint in the well head connected to the four-way assembly, vertical tube on the pup joint, connected via flange to the pup joint and with cap in the top and annular balance weight around it, hoisting sheave installed on the vertical tube cap and capable of rotation in front and inverse directions, weight suspending rope with one end connected to the balance weight, gear rack connected to the other end of the weight suspending rope, pumping rod connected via the well head to the reciprocating pump in the well, and transmission mechanism to drive the gear rack to reciprocate up and down. The present invention has simple structure, regular outer appearance, short transmission line, less transmission parts, easy maintenance and long service life.

Description

technical field [0001] The invention relates to a beamless pumping unit used for oil production in an oil field, in particular to a standpipe type rack pumping unit. Background technique [0002] Press, the pumping unit that is used for oil field oil production is mainly divided into two categories, namely beam pumping unit and non-beam pumping unit. The beamless pumping unit has the advantages of good balance effect and easy realization of long stroke, so it is widely used in the field of deep well oil production. The beamless pumping units in the prior art mainly include chain pumping units, belt pumping units and other types of linear drive pumping units. Because of the lateral force, not only the structure of the pumping unit becomes complicated and heavy, but also the difficulty of manufacture and installation is relatively large. In addition, due to the high speed of the motor, it must be decelerated by a reducer, resulting in a long transmission line, many transmiss...

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): E21B43/00
Inventor 李华林
Owner 李华林
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com