DIGITIZED AUTOMATICALLY CONTROLLED OIL-PUMPING METHOD AND BALANCE-SHIFTING DIGITIZED PUMPJACK - XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS

Title:

DIGITIZED AUTOMATICALLY CONTROLLED OIL-PUMPING METHOD AND BALANCE-SHIFTING DIGITIZED PUMPJACK

Document Type and Number:

WIPO Patent Application WO/2016/107593

Kind Code:

A1

Abstract:

Disclosed are a digitized automatically controlled oil-pumping method and a balance-shifting digitized pumpjack, said pumpjack comprising a main engine (15), a decelerator (8), a crank (9), a connecting rod (6), a walking beam (3), a balance arm (7), a derrick (5), a counterweight (2), a base (12), brake equipment (13), a wireline (1), a load sensor (17), a stroke measurer, a safety stop device, and a digital control box (14). A movable counterweight box (28) travels left and right on the balance arm (7), automatically balancing load at the point of suspension, and pump stroke is automatically adjusted according to variations in pump fill-height. Features include safety and reliability, convenience of operation, enhanced oil well production and balance rates, energy economies and reduced consumption.

Inventors:

GAO CHANGLE (CN)
YU SHENGCUN (CN)
LI NINGHUI (CN)
WANG KANGJUN (CN)
MA SHUJIAN (CN)
JI XIAOKE (CN)
ZHU JIAQIANG (CN)
ZHANG JING (CN)
LIN QUAN (CN)
DONG HONGYU (CN)

Application Number:

PCT/CN2015/100034

Publication Date:

July 07, 2016

Filing Date:

December 31, 2015

Export Citation:

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Assignee:

XINJIANG UYGUR AUTONOMOUS REGION NO 3 MACHINE TOOL WORKS (CN)

International Classes:

E21B44/00; E21B43/00

Foreign References:

CN201277016Y	2009-07-22
CN203939489U	2014-11-12
CN203531863U	2014-04-09
CN101725332A	2010-06-09
CN104060968A	2014-09-24
CN101818632A	2010-09-01
CN104563970A	2015-04-29
CN204402439U	2015-06-17
CN104775792A	2015-07-15
CN204402440U	2015-06-17
CN204402438U	2015-06-17
CN104612631A	2015-05-13
AU1778702A	2002-06-03
US5441108A	1995-08-15

Attorney, Agent or Firm:

URUMQI HEZONG PATENT ANDTRADEMARK LAW OFFICE (CN)
乌鲁木齐合纵专利商标事务所 (CN)

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