US3987405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Receiver of continuous structure for seismic prospecting
Assignee: IFP Energies nouvelles
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Filing: 1974-12-02
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Granted: 1976-10-19
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Expires: 1994-12-02
Abstract
Abstract Receiver of continuous structure adapted to be laid on the ground surface or underground, for seismic prospecting on land, comprising at least one support member for geophones, made of a flexible material having an elongated central portion and two lateral portions defining therewith at least one recess, said geophones being fastened to the central portion of the support member and coupled to the earth therethrough and said lateral portions being provided with longitudinal channels housing conductor cables.
Inventors
- 👤 Jean Laurent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:41
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/20; G01V1/201
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
78 words
A receiver of continuous structure for seismic prospecting on land comprising at least one elongated support-member made of a flexible material and sensing means, in which the support-member comprises an elongated central portion solid with two lateral portions having a greater thickness than that of the central portion and defining therewith at least one recess, and in which said sensing means are secured with the central portion of the support-member and coupled to the earth through said support-member.
Claim 2
Dependent Claim
78 words
A receiver of continuous structure for seismic prospecting on land comprising at least one elongated support-member made of a flexible material and sensing means, in which the support-member comprises an elongated central portion solid with two lateral portions having a greater thickness than that of the central portion and defining therewith at least one recess, and in which said sensing means are secured with the central portion of the support-member and coupled to the earth through said support-member.
Claim 3
Dependent Claim
23 words
A receiver according to claim 1, in which the sensing means are fastened at selected locations of the central recess of the support-member.
Claim 4
Dependent Claim
39 words
A receiver according to claim 2, in which the two lateral portions are each traversed by a longitudinal channel, multiconductor cables are passed through said channels and conductor means are provided in the recess for interconnecting said sensing means.
Claim 5
Dependent Claim
25 words
A receiver according to claim 2, in which the support-member is moulded in a single piece and the central portion is solid with reinforcement means.
Claim 6
Dependent Claim
32 words
A receiver according to claim 4, in which the reinforcement means comprise a strip of material integral with the support-member, said strip of material reinforcing the tensile strength of the central portion.
Claim 7
Dependent Claim
37 words
A receiver according to claim 3, in which the support-member is made solid at its ends with electric connectors through coupling members provided with channels for the passage of said multi-conductor cables and of said conductor means.
Claim 8
Dependent Claim
38 words
Receiver according to claim 2, in which the surface of the central portion facing that on which are secured the pressure transducing means defines with the two lateral portions a second recess less deep than the first one.
Claim 9
Dependent Claim
30 words
A receiver according to claim 2, comprising plates made of a flexible material for covering said recess and means for fastening the plates to the central portion of the support-member.
Claim 10
Dependent Claim
27 words
A receiver according to claim 8, further comprising protective means and means for fastening said protective means to the support-member at the locations of said sensing means.
Claim 11
Dependent Claim
39 words
A device according to any of claim 1, in which the sensing means comprises a continuous strip made of piezo-electric material, said strip being provided with an electrode on each of its faces and being solid with said support-member.
Claim 12
Dependent Claim
25 words
Receiver according to claim 2, in which the two lateral portions each comprises at least one longitudinal channel in which is housed a traction cable.
Claim 13
Dependent Claim
23 words
A receiver according to claim 11, in which each transversal portion comprises a second longitudinal channel in which is housed a multi-conductor cable.
Claim 14
Dependent Claim
17 words
A receiver according to claim 11 in which the multi-conductor cables are placed longitudinally in said recess.
Claim 15
Dependent Claim
41 words
A receiver according to claim 13, comprising plates made of a flexible material for covering said recess, said plates comprising longitudinal cavities for the passage of said multi-conductor cables and of conductors for interconnecting the sensing means secured with each support-member.
Claim 16
Dependent Claim
36 words
A receiver according to any of claim 11, comprising an end portion solid with a hook and provided with housings for sleeves secured at one of the ends of the traction cables associated with a support-member.
Claim 17
Dependent Claim
24 words
A receiver according to claim 15, in which the end portion is achieved by fastening two complementary members provided with recesses defining said housings.
Claim 18
Dependent Claim
40 words
A method of positioning the receiver according to claim 1, comprising digging a trench of a length which is substantially that of the support-member, laying said support-member on the bottom of said trench and back-filling the same over said support-member.
Claim 19
Dependent Claim
33 words
A method according to claim 17, comprising winding up the support-member on a storage reel and using mechanical means carrying said reel for undergrounding said support-member as it is unreeled from said reel.
Claim 20
Dependent Claim
32 words
A receiver according to claim 12, comprising an end portion solid with a hook and provided with housings for sleeves secured at the ends of traction cables associated with said support member.
Claim 21
Dependent Claim
24 words
A receiver according to claim 19, in which the end portion is achieved by fastening two complementary members provided with recesses defining said housings.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-19 | 1980-04-19 | 1980-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-19 | 1984-04-19 | 1984-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-19 | 1988-04-19 | 1988-10-19 | $7700.00 | Window Closed / Lapsed |