Daniel J Richards

US Patent:

6349778, Feb 26, 2002

Filed:

Jul 14, 2000

Appl. No.:

09/617189

Inventors:

Paris E. Blair - Casper WY
Joseph L. Ficken - Casper WY
Daniel J. Richards - Casper WY

Assignee:

Performance Boring Technologies, Inc. - Casper WY

International Classification:

E21B 2516

US Classification:

175 73, 175 45, 175107

Abstract:

A bottom hole assembly for horizontal directional drilling that improves the accuracy of surveying while boring by enabling the progress of the bore to be monitored and tracked with the aid of a sonde. In one embodiment the sonde is received in the wall of a area of a mud motor surrounding the bearing mandrel, in another embodiment the sonde is carried in the wall of a collar surrounding the bearing mandrel housing, and in an additional embodiment the sonde is carried in an adapter between the bearing mandrel and the bit.

US Patent:

6561290, May 13, 2003

Filed:

Jan 12, 2001

Appl. No.:

09/759400

Inventors:

Paris E. Blair - Casper WY
Joseph L. Ficken - Capser WY
Daniel J. Richards - Casper WY

Assignee:

Performance Boring Technologies, Inc. - Casper WY

International Classification:

E21B 402

US Classification:

175107, 464143

Abstract:

A downhole mud motor is disclosed which has an improved bearing mandrel and a bearing stop to transfer a larger percentage of the weight of the drill string to the bit. Also improve sealing systems for the transmission section and bearing section prevent drilling mud from entering critical components. A piston stop is provided to prevent the piston from damaging any parts as the piston moves under pressure. A compensating pressure disk is placed in the lower housing to prevent pressure from building up in the bearing section. A grooved ball seat is provided in the transmission to allow for greater flow of lubricant around the ball bearings.

US Patent:

6749030, Jun 15, 2004

Filed:

Dec 21, 2001

Appl. No.:

10/036804

Inventors:

Paris E. Blair - Casper WY
Joseph L. Ficken - Casper WY
Daniel J. Richards - Casper WY

Assignee:

Hunting Performance, Inc. - Casper WY

International Classification:

E21B 706

US Classification:

175 45, 175 73, 7315243

Abstract:

A bottom hole assembly for horizontal directional drilling that improves the accuracy of surveying while boring by enabling the progress of the bore to be monitored and tracked with the aid of a sonde. In one embodiment the sonde is received in the wall of a housing area of a mud motor surrounding the bearing mandrel, in another embodiment the sonde is carried in the wall of a collar surrounding the bearing mandrel housing, and in an additional embodiment the sonde is carried in an adapter between the bearing mandrel and the bit.

US Patent:

6827160, Dec 7, 2004

Filed:

Jan 30, 2003

Appl. No.:

10/354340

Inventors:

Paris E. Blair - Casper WY
Joseph L. Ficken - Casper WY
Daniel J. Richards - Casper WY

Assignee:

Hunting Performance, Inc. - Casper WY

International Classification:

E21B 402

US Classification:

175107, 384 94, 464143

Abstract:

A downhole mud motor ( ) is disclosed which has an improved bearing mandrel ( ) and a bearing stop ( ) to transfer a larger percentage of the weight of a drill string to the bit. Also improved sealing systems ( ) ( ) ( ) ( ( ) for the transmission section and bearing section ( ) ( ) ( ) ( ) ( ) prevent drilling mud from entering critical components. A piston stop is provided to prevent the piston from damaging other parts as the piston moves under pressure. Compensating pressure assembly ( ) preferably including a disk ( ) is placed in the lower housing ( ) to prevent pressure from building up in the bearing section ( ). A combination of grooved ball seats ( ) and circumferentially spaced balls ( ) are provided in the transmission section ( ) ( ) to allow for greater flow of lubricant around the ball bearings.