Patent US3923121A successfully refreshed from Google Patents.
US3923121A
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US
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Towed land cable
Assignee: Texas Instruments Inc
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Filing: 1974-09-09
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Granted: 1975-12-02
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Expires: 1994-09-09
Abstract
Abstract A land surface seismic prospecting cable which can be towed on the surface of the earth along seismic survey lines. The cable is used to transport, position, protect, house, or attach sensors used for making geophysical and environmental measurements. The cable apparatus may comprise a plurality of segments each interconnected by an electrical connector and each segment having a plurality of sensors associated therewith. The outputs of the signals from the sensors are carried by way of a multiconductor wire cable within the seismic cable to a seismic recorder. After an acoustic disturbance is produced and the seismic information is recorded, the towed land cable or land streamer is towed intact to the next shooting site which saves a great deal of time and allows greater areas to be covered in a predetermined time period.
Inventors
- 👤 John A Kruppenbach
- 👤 John W Bedenbender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:07
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/20; G01V1/201; G01V1/003
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
183 words
A method of mechanized land prospecting comprising: a. locating a segment of a line of exploration through an exploration area; b. surveying with a mobilized survey unit the segment of the line of exploration to mark locations for seismic sources and a sensor land cable position while scouting location of additional segments of the line of exploration; c. positioning mobile seismic sources at their marked locations along the segment of the line of exploration while surveying further positions along the additional segments of the line of exploration; d. towing the land cable to its marked position along the segment of the line of exploration while surveying further positions along the additional segment of the line of exploration; e. actuating the seismic sources to operatively produce acoustic disturbances in the earth; f. sensing along the segment of the line of exploration reflected acoustic waves for information pertaining to earth structure beneath the surface; and g. relocating the mobile seismic sources at additionally marked seismic source locations, while towing the sensor-land cable to additionally marked locations along an additional segment of the line of exploration.
Claim 2
Independent Claim
183 words
A method of mechanized land prospecting comprising: a. locating a segment of a line of exploration through an exploration area; b. surveying with a mobilized survey unit the segment of the line of exploration to mark locations for seismic sources and a sensor land cable position while scouting location of additional segments of the line of exploration; c. positioning mobile seismic sources at their marked locations along the segment of the line of exploration while surveying further positions along the additional segments of the line of exploration; d. towing the land cable to its marked position along the segment of the line of exploration while surveying further positions along the additional segment of the line of exploration; e. actuating the seismic sources to operatively produce acoustic disturbances in the earth; f. sensing along the segment of the line of exploration reflected acoustic waves for information pertaining to earth structure beneath the surface; and g. relocating the mobile seismic sources at additionally marked seismic source locations, while towing the sensor-land cable to additionally marked locations along an additional segment of the line of exploration.
Claim 3
Dependent Claim
39 words
A method according to claim 1, further including recording the information pertaining to the earth structure beneath the surface in a recorder for recording the sensed reflected acoustic waves, said recorder so arranged to be suitable for mechanized operations.
Claim 4
Dependent Claim
18 words
A method according to claim 2, further including servicing the sensor-land cable component from a selfpropelled service vehicle.
Claim 5
Dependent Claim
18 words
A method according to claim 3, further including maintaining the land exploration equipment from a mobile mechanical shed.
Claim 6
Dependent Claim
17 words
A method according to claim 4, further including providing mobile campsites for the mechanized land exploration crews.
References Cited (Backward Citations)
US2654077A
Cited
US3301345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |