Bradley T Carlson

US Patent:

6789619, Sep 14, 2004

Filed:

May 22, 2002

Appl. No.:

10/154435

Inventors:

Bradley T. Carlson - Cypress TX
Ronnie D. Hughes - The Woodlands TX

Assignee:

BJ Services Company - Houston TX

International Classification:

E21B 3316

US Classification:

16625004, 166 66, 166 70, 1661774, 166291

Abstract:

A system for use in detecting the launching of a device, such as a wiper plug or a sealing ball, is described having a first component, such as a detectable object disposed within the device, and a second component, such as a sensor. The sensor may be a sensor coil, while the detectable object may be a transponder capable of emitting Radio Frequency Identification signals to the sensor to signal its arrival adjacent the sensor. The system may be used with a concrete head or with a sealing ball injector. A method of launching the devices is also disclosed.

US Patent:

6802373, Oct 12, 2004

Filed:

Apr 10, 2002

Appl. No.:

10/120201

Inventors:

Robert Lee Dillenbeck - Spring TX
Bradley T. Carlson - Cypress TX

Assignee:

BJ Services Company - Houston TX

International Classification:

E21B 3313

US Classification:

1662551, 166 66, 1661774, 16625003, 16625012, 16625014, 166285

Abstract:

An apparatus for use in circulating cement in a casing in a wellbore is described having a first component such as a sensor disposed on the casing and a second component such as a detectable device disposed at a fluid interface formed between the cement and a fluid. The sensor may be a sensor coil mounted on the perimeter of the lower end of the casing, while the detectable device may be a transponder capable of emitting Radio Frequency Identification signals to the sensor to signal its arrival at the lower end of the casing. The transponder may be encased in a protective covering. Also described is a method of cementing a casing utilizing a first component such as a sensor disposed on the casing and a second component such as a detectable device disposed in the cement.

US Patent:

6985750, Jan 10, 2006

Filed:

Apr 26, 2000

Appl. No.:

09/558890

Inventors:

Bruce A. Vicknair - The Woodlands TX, US
Bradley T. Carlson - Cypress TX, US

Assignee:

BJ Services Company - Houston TX

International Classification:

H04B 7/00

US Classification:

455519, 370310

Abstract:

Wireless local area networks (“wireless networks”) used to interrelate individual mobile nodes, and having the capability of automatically establishing and/or modifying functionality of a network in response to the characteristics and/or identity of the nodes connected to the network at a given time. The wireless networks may be mobile, and may be employed in applications using service vehicles, such as truck, skid and trailer mounted equipment used in the well servicing industry, delivery or maintenance trucks, railroad service vehicles, aircraft, or off-shore service vehicles.

US Patent:

7066256, Jun 27, 2006

Filed:

Sep 13, 2004

Appl. No.:

10/939924

Inventors:

Robert Lee Dillenbeck - Spring TX, US
Bradley T. Carlson - Cypress TX, US

Assignee:

BJ Services Company - Houston TX

International Classification:

E21B 33/13
E21B 47/09

US Classification:

1662551, 166 66, 1661774, 16625003, 16625012, 16625014

Abstract:

An apparatus for use in circulating cement in a casing in a wellbore is described having a first component such as a sensor disposed on the casing and a second component such as a detectable device disposed at a fluid interface formed between the cement and a fluid. The sensor may be a sensor coil mounted on the perimeter of the lower end of the casing, while the detectable device may be a transponder capable of emitting Radio Frequency Identification signals to the sensor to signal its arrival at the lower end of the casing. The transponder may be encased in a protective covering. Also described is a method of cementing a casing utilizing a first component such as a sensor disposed on the casing and a second component such as a detectable device disposed in the cement.

US Patent:

7290447, Nov 6, 2007

Filed:

Oct 7, 2003

Appl. No.:

10/680306

Inventors:

Blake Burnette - Spring TX, US
Bradley T. Carlson - Cypress TX, US
Don Wade - Montgomery TX, US

Assignee:

BJ Services Company - Houston TX

International Classification:

G01N 9/02

US Classification:

73433, 73434

Abstract:

A densimeter contains an inlet pipe section, a second pipe section joined to the downstream end of the inlet pipe section, and an outlet pipe section joined to the downstream end of the second pipe section. The inlet and outlet pipe sections are constrained by a support structure, while flexible couplings allow the second section of pipe to undergo a limited amount of radial motion relative to the adjacent pipe sections. The weight of the second pipe section is supported by a weight measuring unit, which continuously measures the weight of the second pipe section as fluid flows through the densimeter. One preferred embodiment of the invention uses the densimeter to measure the density of a proppant in a blender system for preparing fluid mixtures for fracturing and propping oil bearing geological formations.

US Patent:

20040125688, Jul 1, 2004

Filed:

Dec 30, 2002

Appl. No.:

10/331719

Inventors:

Milton Kelley - Cypress TX, US
Blake Burnette - Spring TX, US
Bradley Carlson - Cypress TX, US

International Classification:

B01F015/04

US Classification:

366/152200, 366/160200

Abstract:

A closed automatic fluid mixing apparatus and method for mixing two fluids while maintaining a feed pressure of the mixed fluid at a predetermined level are disclosed. The apparatus comprises a first fluid feed, a second fluid feed, a mixing valve, and a closed control system. The mixing valve is capable of mixing a first fluid received from the first fluid feed and a second fluid received from the second fluid feed to produce a mixed fluid. The closed control system is capable of controlling the mixing valve to determine the ratio of the first and second fluids in the mixed fluid while maintaining the pressure of the mixed fluid at a predetermined level. The method comprises feeding a first fluid and a second fluid to a mixing valve; mixing the first and second fluids therein; and controlling the mixing valve's actuation of to determine the ratio of the first and second fluids in a resultant mixed fluid while maintaining the pressure of the mixed fluid at a predetermined level.

US Patent:

20050219945, Oct 6, 2005

Filed:

May 26, 2005

Appl. No.:

11/138231

Inventors:

Milton Kelley - Cypress TX, US
Blake Burnette - Spring TX, US
Bradley Carlson - Cypress TX, US

International Classification:

B01F015/02

US Classification:

366142000, 366152100, 366160200, 366181800, 366182200, 366182400

Abstract:

A closed automatic fluid mixing apparatus and method for mixing two fluids while maintaining a feed pressure of the mixed fluid at a predetermined level are disclosed. The apparatus comprises a first fluid feed, a second fluid feed, a mixing valve, and a closed control system. The mixing valve is capable of mixing a first fluid received from the first fluid feed and a second fluid received from the second fluid feed to produce a mixed fluid. The closed control system is capable of controlling the mixing valve to determine the ratio of the first and second fluids in the mixed fluid while maintaining the pressure of the mixed fluid at a predetermined level. The method comprises feeding a first fluid and a second fluid to a mixing valve; mixing the first and second fluids therein; and controlling the mixing valve's actuation of to determine the ratio of the first and second fluids in a resultant mixed fluid while maintaining the pressure of the mixed fluid at a predetermined level.

US Patent:

20070084283, Apr 19, 2007

Filed:

Oct 18, 2005

Appl. No.:

11/252397

Inventors:

Bradley Carlson - Cypress TX, US
Ronnie Hughes - The Woodlands TX, US

Assignee:

BJ Services Company - Houston TX

International Classification:

G01F 23/28
G08B 21/00

US Classification:

07329000V, 340621000

Abstract:

An apparatus and method is disclosed to automate the measurement of the fluid levels of individual tanks used at the work site of an oil well. An ultrasonic transducer may be removably attached to each tank at the site. The fluid level of each tank may be determined from the time elapsed from the transmission of an ultrasonic signal from the transducer and when a signal reflected from the fluid is received at the transducer. The transducer may wirelessly transmit a signal representative of the fluid level to a receiving unit. The receiving unit may be able to instantaneously determine the overall fluid flow rate from the tanks based on the fluid levels when compared to previous fluid levels. The transducers may take fluid level measurements at regular intervals or may make measurements only when directed by the receiving unit.