Patents Assigned to Panex Corporation
  • Memory processing systems for well tools
    Patent number: 4763259
    Abstract: A self-contained, down hole powered electrical system in which a well tool microprocessor and circuitry can be programmed from an external microprocessor and verified as to functional capabilities and data can be retrieved from the tool by use of a current and voltage encoded binary system. Further, the system includes an alarm system for verifying the operation of the tool.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: August 9, 1988
    Assignee: Panex Corporation
    Inventors: Leroy C. Delatorre, Homer M. Wilson, E. Rene Pingenot
  • Memory operated well tools
    Patent number: 4740897
    Abstract: A self-contained, down hole powered electrical system in which the tool has nonvolatile memory means which are independent of applied power thereby permitting the power to the system to be turned off between sampling and further including a system for reentering data to nonvolatile memories for retention during high temperature operations.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: April 26, 1988
    Assignee: Panex Corporation
    Inventors: Leroy C. Delatorre, Homer M. Wilson, E. Rene Pingenot
  • Gauge carrier
    Patent number: 4628995
    Abstract: An oilfield pressure gauge carrier for use in supporting pressure gauges on a string of pipe in a wellbore including an elongated carrier with a through bore and outer surface recesses for receiving one or more pressure gauges. A pressure gauge is attached to an outer surface for vertical movement in the event of an applied shock force and provided with spring damping devices at either end to absorb shock effects. A restricted flow passageway to the pressure gauge inhibits application of hydraulic surges to the pressure gauge.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: December 16, 1986
    Assignee: Panex Corporation
    Inventors: David E. Young, Danny S. Sebastian
  • Down hole power conversion means for fully utilizing batteries
    Patent number: 4624136
    Abstract: A self-contained, down hole powered electrical system in which the available power of a battery source is matched by a power conversion means to the power required in the down hole equipment and the power conversion means provides a regulated voltage output.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: November 25, 1986
    Assignee: Panex Corporation
    Inventors: Leroy C. Delatorre, Homer M. Wilson