Patent Inventor: Ronald E. Beaufort
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Puller-thruster downhole tool
Inventor: Moore, et al. | Patent Number: 7273109
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Electrically sequenced tractor
Inventor: Bloom, et al. | Patent Number: 7185716
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Electrically sequenced tractor
Inventor: Bloom, et al. | Patent Number: 7174974
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Puller-thruster downhole tool
Inventor: Moore, et al. | Patent Number: 7156181
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Electrically sequenced tractor
Inventor: Bloom, et al. | Patent Number: 7080701
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Puller-thruster downhole tool
Inventor: Moore, et al. | Patent Number: 7059417
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Three-dimensional steering tool for controlled downhole extended-reach directional drilling
Inventor: Moore, et al. | Patent Number: 6942044
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Electrically sequenced tractor
Inventor: Bloom, et al. | Patent Number: 6938708
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Puller-thruster downhole tool
Inventor: Moore, et al. | Patent Number: 6758279
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Electrically sequenced tractor
Inventor: Bloom, et al. | Patent Number: 6745854
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Three-dimensional steering tool for controlled downhole extended-reach directional drilling
Inventor: Moore, et al. | Patent Number: 6708783
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Puller-thruster downhole tool
Inventor: Moore, et al. | Patent Number: 6601652
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Electrically sequenced tractor
Inventor: Bloom, et al. | Patent Number: 6478097
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Three-dimensional steering tool for controlled downhole extended-reach directional drilling
Inventor: Moore, et al. | Patent Number: 6470974
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Long reach rotary drilling assembly
Inventor: Krueger, et al. | Patent Number: 6467557
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Electro-hydraulically controlled tractor
Inventor: Beaufort, et al. | Patent Number: 6427786
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Electrically sequenced tractor
Inventor: Bloom, et al. | Patent Number: 6347674
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Puller-thruster downhole tool
Inventor: Moore, et al. | Patent Number: 6286592
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Electro-hydraulically controlled tractor
Inventor: Beaufort, et al. | Patent Number: 6241031
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Method of moving a puller-thruster downhole tool
Inventor: Moore, et al. | Patent Number: 6230813
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Puller-thruster downhole tool
Inventor: Moore, et al. | Patent Number: 6003606
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Fluid actuated jack mechanism
Inventor: Beaufort | Patent Number: 4494376