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Remote sensing of in-ground fluid level apparatus

a fluid level apparatus and remote sensing technology, applied in the direction of pump control, positive displacement liquid engine, machines/engines, etc., can solve the problems of mechanically intensive pump system, improve the capability, and difficulty in remotely sensing fluid level, so as to facilitate maintenance

Inactive Publication Date: 2015-04-30
ENDOW ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a fluid pump system that can detect when the pump chamber is full or near full without using a sensor in the pump chamber. This is achieved by using a pressure sensor located in a gas line, which is at a distance from the pump and provides more convenient and less harsh conditions for maintenance. The technical effect of this invention is to improve the efficiency and reliability of gas displacement pump systems.

Problems solved by technology

These are mechanically intensive pump systems, having moving components spanning deep into the well which require maintenance due to wear, scaling, and corrosion.
Their mechanical nature causes difficulties in remotely sensing fluid levels deep in the well.
The lack of reciprocating components improve the capability of electrically connected sensing systems.
These switches and electrical connections pose serious reliability and safety concerns.

Method used

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  • Remote sensing of in-ground fluid level apparatus
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Embodiment Construction

[0028]It is to be understood that various omissions and substitutions of equivalents are contemplated as circumstances may suggest or render expedient, but these are intended to cover the application or implementation without departing from the spirit or scope of the claims of the present invention. It is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,”“comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Further, the terms “a” and “an” herein do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item. It is also to be understood that the use of the term “fluid” denotes a liquid, but “fluidic”, “fluidic communication”, “fluidically coupled” or like terms can denote a liquid or a gas as is commonly used in the industr...

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Abstract

A fluid pump apparatus includes a pump chamber in a wellbore, a drive line capable of transferring a gas pressure to the pump chamber, a control system, an exhaust line, and a pressure sensor. The pressure sensor is capable of remotely sensing gas pressure in the exhaust line and providing communication to the control system. The control system is capable of determining when the fluid level in the pump chamber is full or near full based on input from the pressure sensor.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]Not applicableSTATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT[0002]Not applicableNAMES OF THE PARTIES TO A JOINT RESEARCH AGREEMENT[0003]Not applicableREFERENCE TO SEQUENCE LISTING[0004]Not applicableBACKGROUND[0005]1. Field of the Invention[0006]The invention generally relates to an in-ground fluid pumping system. More particularly, the invention is related to an apparatus for remotely sensing the fluid level in a pump chamber.[0007]2. Description of the Related Art[0008]In-ground fluid pumping systems are employed to extract petroleum oil, water, or other liquids from within the earth. These pumping systems are often placed in a drilled well to efficiently extract fluids from tens to hundreds of meters below the surface of the earth (ground level). In many cases, a blend of fluids, such as oil and water, are extracted, in addition to natural gas and contaminates such as sand. As such, in-ground wells require robust pumpi...

Claims

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Application Information

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IPC IPC(8): F04B51/00
CPCF04B51/00F04B47/02F04B49/06
Inventor STRUNK, TIMOTHYROWE, WILLIAM A.
Owner ENDOW ENERGY