| Patent Number |
Title Of Patent |
Date Issued |
| 7461830 |
Multiple sensor for preventing a crown-block incursion on an oil well rig |
December 9, 2008 |
| 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 information to calculat |
| 7359801 |
Method and system for evaluating weight data from a service rig |
April 15, 2008 |
| 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 rig load data chart ca |
| 7273104 |
Method of pumping an "in-the-formation" diverting agent in a lateral section of an oil and gas w |
September 25, 2007 |
| A method of treating a formation at a lateral section of a well involves pumping treatment fluid with or without a proppant, such as sand slugs, into the well to induce fractures in the formation. The lateral section has openings in a casing, which can be un-cemented. The treatment fluid |
| 7228899 |
Warning device and method to prevent clutch burning |
June 12, 2007 |
| 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 rig operators. If the |
| 7226037 |
System for assuring engagement of a hydromatic brake on a drilling or well service rig |
June 5, 2007 |
| 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 hook load or rota |
| 7221155 |
Inventory counter for oil and gas wells |
May 22, 2007 |
| 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 joints and collars th |
| 7114577 |
Safemode operating system for a drilling or service rig |
October 3, 2006 |
| 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 necessary to pull the |
| 7064677 |
Method of monitoring service operations of a service vehicle at a well site |
June 20, 2006 |
| 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 pressure, temperature |
| 7029422 |
Ergonomics safety warning device and method to prevent clutch burning |
April 18, 2006 |
| 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 compound when the clutch i |
| 7006920 |
Activity data capture system for a well service vehicle |
February 28, 2006 |
| 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 preferably controlled by th |
| 7006009 |
Servicing system for wells |
February 28, 2006 |
| 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 value that identifie |
| 7004456 |
Engine speed limiter for a hoist |
February 28, 2006 |
| 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. |
| 6898983 |
Mechanical multiplier for a strain gage on a derrick |
May 31, 2005 |
| A strain gage apparatus for measuring the load applied to a derrick leg mechanically multiplies the deflection or distortion of a strain gage. The apparatus attaches to the derrick leg at two points that are spaced about five feet apart. Accumulated strain along the five-foot section mov |
| 6826492 |
Method of managing a well file record at a well site |
November 30, 2004 |
| A method of managing well file records includes storing a well file on a first computer at a home base location and communicating the well file to a second computer at a remote well site. The well file serves as a blueprint that describes the well and its various components, and can be a |
| 6758095 |
Tongs monitor with learning mode |
July 6, 2004 |
| A tongs monitor for monitoring the tightening of tubing, casings, and sucker rods of a well is selectively operable in a learning mode and a monitoring mode. A target tightness value is determined during the learning mode. Subsequent tightness values are then compared to the target v |
| 6728638 |
Method of monitoring operations of multiple service vehicles at a well site |
April 27, 2004 |
| A method of monitoring service operations performed on a well involves creating, directly at the well site, a cohesive report of what work was done to the well and which of several contractors did the work. The report includes supporting data generated by one or more transducers. The |
| 6578634 |
Method of monitoring pumping operations of a service vehicle at a well site |
June 17, 2003 |
| A method monitors pumping operations of a vehicle that pumps 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 fluid-related variables, such as pressure, temperature, flow rate, and pum |
