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5537753 |
Bore hole inclinometer apparatus
A bore hole inclinometer device for use in core drilling employing hollow drill rods, and a core barrel, the device having, an elongated casing dimensioned to fit within the hollow drill rods, and...
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4578871 |
Inclinometer
The inclinometer comprises a single module for measuring the inclination and azimuth of a bore, such as that of an oil well. The single module contains a removable cassette with an inclination...
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4198760 |
Double punch inclinometer
An inclinometer for determining the inclination of a well bore including a longitudinally extending housing adapted to be lowered into the well bore to a given depth, a marking element mounted in...
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3938255 |
Cantilever-type inclinometer
Apparatus for determining the inclination of a well bore comprising a flexible rod having an upper end rigidly supported by the apparatus and a needle point means operatively connected with the...
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3911590 |
Recording inclinometer-1
A well bore inclinometer mounted in a sub forming part of a drill string includes a record tape cartridge that is reciprocated each time pump pressure is shut off and restored. Each upward motion...
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3710448 |
RECORDING INCLINOMETER
A well bore inclinometer comprises an instrument mounted in a flow tube forming a part of a drill string. The instrument includes a record tape cartridge that is reciprocated each time the pump...
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3087252 |
High angle inclination and directional recorder
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3008241 |
Well surveying instrument
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2901835 |
Drift indicator
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