Patents by Inventor Jesus E. Chacin U.

Jesus E. Chacin U. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Self actuated intake valve assembly for inlet subsurface reciprocating pumps
    Patent number: 5131466
    Abstract: The present invention is drawn to an inlet valve assembly for a subsurface sucker rod operated reciprocating piston pump and, more particularly an inlet valve assembly which is locked in its closed position when the pump is in its unanchored, non-pumping position within the production tube of a deep well. When the subsurface piston pump is anchored within the production tube of the deep well of the inlet valve assembly is freely movable between open and close positions upon reciprocation of the piston.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: July 21, 1992
    Assignee: Intevep, S.A.
    Inventors: Jesus E. Chacin U., Amnon M. Vadasz F.
  • Process for pumping a two phase mixture
    Patent number: 5100299
    Abstract: A single plug check valve for use in a process for pumping a two phase mixture is designed in such a manner as to minimize pressure drop across the valve thereby maximizing the flow of fluid through the valve body.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: March 31, 1992
    Assignee: Intevep, S.A.
    Inventors: Amnon M. Vadasz F., Jesus E. Chacin U.
  • Maximum flow single plug retention valve
    Patent number: 5062451
    Abstract: A single plug check valve for use in a process for pumping a two phase mixture is designed in such a manner as to minimize pressure drop across the valve thereby maximizing the flow of fluid through the valve body.
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: November 5, 1991
    Assignee: Intevep, S.A.
    Inventors: Amnon M. Vadasz F., Jesus E. Chacin U.
  • Self actuated intake valve assembly for insert subsurface reciprocating pumps
    Patent number: 5062480
    Abstract: The present invention is drawn to an inlet valve assembly for a subsurface sucker rod operated reciprocating piston pump and, more particularly an inlet valve assembly which is locked in its closed position when the pump is in its unanchored, non-pumping position within the production tube of a deep well. When the subsurface piston pump is anchored within the production tube of the deep well of the inlet valve assembly is freely movable between open and close positions upon reciprocation of the piston.
    Type: Grant
    Filed: October 11, 1990
    Date of Patent: November 5, 1991
    Assignee: Intevep, S.A.
    Inventors: Jesus E. Chacin U., Amnon M. Vadasz F.
  • Sucker rod actuated intake valve assembly for insert subsurface reciprocating pumps
    Patent number: 5048604
    Abstract: The invention is drawn to an improved inlet valve assembly for use in subsurface sucker rod operated reciprocating piston pumps. The inlet valve or standing valve is locked in the closed position when the pump is unanchored from the production tubing to prohibit passage of fluid into the pump barrel.
    Type: Grant
    Filed: November 7, 1990
    Date of Patent: September 17, 1991
    Assignee: Intevep, S.A.
    Inventors: Amnon M. Vadasz F., Jesus E. Chacin U.
  • System for the production of crude oil by the injection of treatment fluids
    Patent number: 4974673
    Abstract: The present invention relates to a system for improving the production of crude oil for underground reservoirs by the injection of treatment fluids. The system includes a subsurface oil pump for pumping oil from the reservoir to the surface and includes a metering mechanism for selectively introducing treatment fluids into the pumping chamber during oil recovery. A specific feature of the present invention is the provision of a seating nipple for sealingly receiving the pump within the production tube of the well. In accordance with a particular feature of the present invention, a metering value is incorporated within the pump barrel thereby allowing the pump barrel and metering valve to be removed from the production tube as a unit for easy replacement and repair thereof. Furthermore, by selecting differently designed connecting adaptors, both insert type and tubing type subsurface pumps can be used with the metering valve assembly.
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: December 4, 1990
    Assignee: Intevep, S.A.
    Inventor: Jesus E. Chacin U.