Title:
ダウンホールポンプの産出を決定する方法及び器具
Document Type and Number:
Japanese Patent JP6616396
Kind Code:
B2
Abstract:
Methods and apparatus to determine production of downhole pumps are disclosed. An example method includes measuring an amount of liquid produced from a well by a pumping unit during a predetermined time period and determining first areas of first pump cards during the predetermined time period. The example method also includes summing the first areas and, based on the amount of liquid produced and the summed first areas, determining a leakage proportionality constant of a downhole pump of the pumping unit.
Inventors:
Mills, Thomas Matthew
Application Number:
JP2017502955A
Publication Date:
December 04, 2019
Filing Date:
April 01, 2015
Export Citation:
Assignee:
Bristol, Incorporated, D/B/A Remote Automation Solutions
International Classes:
F04B47/02; E21B21/01
Domestic Patent References:
| JP11514065A |
Foreign References:
| US20130024138 | ||||
| US7474969 | ||||
| US7212923 | ||||
| WO2013070979A2 | ||||
| US4727489 |
Attorney, Agent or Firm:
Akira Hirakawa
Takehiko Sekine
Katsuhiko Imahori
Hiroaki Otake
Takehiko Sekine
Katsuhiko Imahori
Hiroaki Otake