Assignee: Key Energy Services, Inc.

Location: Houston, TX
No. of patents: 19

Number	Title	Issue Date
7672785	Method and system for evaluating and displaying depth data A method and apparatus for displaying depth of positional data with tubing analysis data obtained by instruments analyzing tubing sections being withdrawn from a well includes an apparatus for communicably linking an encoder or other positional or depth sensors to t...	03/02/2010
7657376	Method and system for evaluating weight data from a service rig The present invention is directed to methods for an off-site supervisor or well owner to evaluate the rig load data provided by a well service rig at a well site by evaluating charts of sensor data obtained from sensors on or associated with the well service rig. A ...	02/02/2010
7631563	Method and system for evaluating rod breakout based on tong pressure data A method for evaluating rod quality and wellbore dynamics includes receiving information about the rod size and tong type for a rod pulling operation. Expected breakout pressures can be determined based on the rod size and/or tong type and can be input into an evalu...	12/15/2009
7588083	Method and system for scanning tubing An instrument, such as a wall-thickness, rod-wear, or pitting sensor, can monitor tubing as a field service crew extracts the tubing from an oil well or inserts the tubing into the well. A digital system can process data from the instrument to improve the data's fid...	09/15/2009
7571054	Method and system for interpreting tubing data An instrument, such as a wall-thickness, rod-wear, or pitting sensor, can monitor tubing as a field service crew extracts the tubing from an oil well or inserts the tubing into the well. A computer-based system can process data from the instrument to evaluate the va...	08/04/2009
7519508	Method and system for setting and analyzing tubing target pressures for tongs A target pressure value is determined during the learning mode. Subsequent pressure values are then compared to the target value. For example, a first connection is tightened in a conventional manner, while its pressure is monitored during the learning mode. If the ...	04/14/2009
7519475	Method for determining block properties of a service rig by evaluating rig data An operator of a well service rig can retrieve and monitor a display of data on the position of a block during rod and tubing insertion and removal. The operator inputs into the system a minimum and maximum height range that he wants the block to operate within. Dat...	04/14/2009
7518526	Method and system for displaying scanning data for oil well tubing based on scanning speed A method for analyzing a tubing section with multiple sensors at a consistent speed to improve the analysis and grading of tubing retrieved from an oil well. An analysis speed can be pre-set or input based on the tubing being analyzed and the sensors employed. The a...	04/14/2009
7461830	Multiple sensor for preventing a crown-block incursion on an oil well rig The technology disclosed herein provides a multiple sensor system that prevents crown incursion by a traveling block in an oil rig. This system calculates traveling block position, traveling block velocity and weight supported by the traveling block, and uses this i...	12/09/2008
7359801	Method and system for evaluating weight data from a service rig The present invention is directed to methods for an off-site supervisor or well owner to evaluate the rig load data provided by a well service rig at a well site by evaluating charts of sensor data obtained from sensors on or associated with the well service rig. A ...	04/15/2008
7228899	Warning device and method to prevent clutch burning This invention is generally directed towards a system designed to assist the rig operator by alerting him/her that the air pressure is too low to be using the drum clutch, to provide a log for studies on rig operation technique, and to provide a training tool for ri...	06/12/2007
7226037	System for assuring engagement of a hydromatic brake on a drilling or well service rig The present invention provides an automatic system for engaging the hydromatic brake on a drilling rig or a service rig. This system monitors both the hook load and traveling block velocity, and uses an electrical solenoid to activates the hydromatic when either the...	06/05/2007
7221155	Inventory counter for oil and gas wells A magnetic induction device mounted at the wellhead that is capable of measuring changes in magnetic flux can recognize when a tubing joint or casing collar passes in or out of the well. The number of changes in magnetic flux directly correlates to the number of joi...	05/22/2007
7114577	Safemode operating system for a drilling or service rig Disclosed herein is a system designed to manage or slow the block travel speed down to safe speeds when the rig is operating in a light load/high speed condition. The system monitors and controls engine torque and horsepower, providing the minimum amount of each nec...	10/03/2006
7064677	Method of monitoring service operations of a service vehicle at a well site A method monitors servicing operations of a vehicle capable for example of pumping various fluid treatments down into a well being serviced at a well site. The method records the vehicle's engine speed and the values of one or more service-related variables, such as...	06/20/2006
7029422	Ergonomics safety warning device and method to prevent clutch burning This invention will therefore provide a tool to assist the rig operator in perfecting his/her rig operation skills. Disclosed herein is an apparatus and method for minimizing slippage on the drum clutch of a well service rig. A detector senses the motion of the comp...	04/18/2006
7006920	Activity data capture system for a well service vehicle The present invention is directed to incrementing a well service rig in such a manner that activity-based and/or time-based data for the well site is recorded. The acquired data can be transmitted via wired, wireless, satellite or physical to a data center preferabl...	02/28/2006
7006009	Servicing system for wells A well servicing system includes a computer-based system that monitors pumping or other service operations at a well site and monitors deliveries and withdrawals of chemicals at a bulk storage station. A GPS device or other location identifier provides a location va...	02/28/2006
7004456	Engine speed limiter for a hoist A mobile service rig for wells includes a hoist powered by an internal combustion engine. In response to the hoist exerting a predetermined lifting force, the lifting force is limited by automatically limiting or reducing the speed of the engine. ...	02/28/2006

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Assignee: Key Energy Services, Inc.