[특허]Seismic data acquisition systems and method utilizing a wireline repeater unit

Seismic data acquisition systems and method utilizing a wireline repeater unit 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01V-001/00 G01V-001/22
출원번호	US-0863103 (2007-09-27)
등록번호	US-8605546 (2013-12-10)
발명자 / 주소	Eperjesi, Richard Elder, Keith
출원인 / 주소	Inova Ltd.
대리인 / 주소	Mossman, Kumar & Tyler, PC
인용정보	피인용 횟수 : 0 인용 특허 : 69

초록 ▼

A system and methods for acquiring seismic data is provided. In one aspect, the system and methods utilize a plurality of field service units placed over a region of interest, a repeater unit that wirelessly communicates with the field service units and a remote unit for controlling and processing the seismic data acquired by the field service units. In one aspect, the system and methods determine a condition associated with each of a plurality of attributes relating to acquisition of the seismic data at each field service unit, generate messages at each field service unit when the condition of a particular attribute meets a selected criterion, transmit the generated messages, receive the messages transmitted by at least a group of field service units at a repeater unit placed in the region of interest, analyze the messages received from the group of field service units at the repeater unit and then transmit information relating to the received messages to the remote unit for further processing. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

대표청구항 ▼

1. A method for acquiring seismic data using a plurality of field service units (FSUs) placed over a region of interest, the method comprising: determining a condition associated with each of a plurality of attributes relating to acquisition of the seismic data at each of the FSUs;generating messages at each FSU when the condition of a particular attribute meets a selected criterion;transmitting the generated messages;receiving the messages transmitted by at least a group of FSUs in the plurality of FSUs at a repeater unit placed in the region of interest;separating the messages received from the group of FSUs by the repeater unit into at least two categories based on at least one predefined limit in the repeater unit, wherein a first category of the at least two categories includes at least one message, which includes the condition that exceeds the at least one predefined limit; andtransmitting information relating to the messages in the first category to a remote unit; andanalyzing the received messages from the group of FSUs to determine occurrence of a storm condition and transmitting a message to the remote unit indicative of the storm condition. 2. The method of claim 1, wherein the repeater unit is one of: (i) a stand alone unit spaced apart from the FSUs in the group; and (ii) a selected FSU that belongs to the group of FSUs. 3. The method of claim 1, wherein the condition is one of: (i) a power source condition; (ii) a motion sensor measurement; (iii) a shot condition; (iv) a data storage medium condition; (v) a timing error condition; (vi) a seismic alarm condition; (vii) an environmental parameter condition; (viii) a configuration error condition; (ix) a data download condition; (x) a software condition; (xi) a noise condition; (xii) a device-initiated activity including one of (a) status of turning off a device, and (b) status of turning on a device; (xiii) a pre-shot test condition; and (xiv) a synchronization condition. 4. The method of claim 1 further comprising using the repeater to perform at least one of: (i) suppresses an unwanted message; (ii) suppresses a plurality of messages corresponding to a common (storm) condition; (iii) prioritizes the messages received from the plurality of FSUs before sending a message to the remote unit; (iv) allows selected messages to pass to the remote unit substantially uninhibited; (v) analyzes an attribute of a message storm based on a pre-selected criterion; (vi) compresses messages for sending to the remote unit; (vii) compresses a plurality of messages into a packet before further transmitting such plurality of messages; and (viii) decodes messages received from the remote unit before transmitting a message received from the remote unit to a particular FSU. 5. The method of claim 1 further comprising scaling transmission of messages to the remote unit at the repeater unit in a manner that utilizes wireless bandwidth that is less than the bandwidth that would be required for directly transmitting the messages from the group of SFUs to the remote unit. 6. The method of claim 1 further comprising communicating data between the remote unit and the repeater unit via one of: (i) a radio frequency link; and (ii) an Ethernet connection. 7. The method of claim 1, wherein the remote unit communicates with the group of FSU's via the repeater unit and with the remaining FSUs in the plurality of FSUs wirelessly. 8. The method of claim 1 further comprising sending filters to selected FSUs in the group of FSUs from the repeater unit. 9. A computer-readable medium having a computer program embedded therein and accessible to a processor for executing the computer program, the processor being associated with a seismic data acquisition spread that includes a plurality of receivers for detecting acoustic signals and a plurality of field service units (FSUs), each FSU being associated with at least one receiver for acquiring and processing acoustic signals, wherein the computer program comprises: instructions to determine a condition associated with each of a plurality of preselected attributes relating to acquisition of the seismic data by an FSU;instructions to generate messages at the FSU when the condition of any particular attribute meets a selected criterion;instructions to transmit the generated messages wirelessly;instructions to receive messages transmitted by at least a group of FSUs in the plurality of FSUs at a repeater unit placed in the region of interest;instructions to separate the messages received from the group of FSUs by the repeater unit into at least two categories based on at least one predefined limit in the repeater unit, wherein a first category of the at least two categories includes at least one message, which includes the condition that exceeds the at least one predefined limit; andinstructions to transmit information relating to the messages in the first category to a remote unit; andinstructions to analyze the received messages from the group of FSUs to determine occurrence of a storm condition and transmitting a message to the remote unit indicative of the storm condition. 10. The computer-readable medium of claim 9, wherein the computer program further comprises instructions to transmit messages from an FSU in the group of FSUs without solicitation by the repeater unit. 11. The computer-readable medium of claim 9, wherein the computer program further comprises instructions to prioritize transmission of the messages received at the repeater before transmission of such messages to the remote unit. 12. The computer-readable medium of claim 9, wherein the computer program further comprises instructions to encode each message with an identifier that includes one of: (i) a variable value, (ii) a fixed value; (iii) a random number; and (iv) an identification number of the FSU; and (v) an identification number of the FSU and a specific time slot within a preselected time period. 13. The computer-readable medium of claim 9, wherein the computer program further comprises instruction to perform an operation that is at least one of: (i) discarding a detected condition; (ii) retransmitting a particular encoded message when the receipt of the particular message is not acknowledged by the remote unit; (iii) limiting a number of times a message is transmitted corresponding to a particular detected condition; and (iv) suppressing a message in response to a filter received from the remote unit or a pre-assigned filter; (v) suppressing an unwanted message; (vi) suppressing a plurality of messages corresponding to a common (storm) condition; (vii) transmitting selected messages uninhibited; (viii) analyzing an attribute of a message to determine if a storm condition exists; (ix) arranging a plurality of messages into a common packet before transmitting such a plurality of messages; (x) decoding messages received from the remote unit before transmitting any unsolicited message; and (xi) allowing automatic transmission of messages relating to a selected condition. 14. The computer-readable medium of claim 9, wherein the computer program further comprises instructions to send a filter to a particular FSU in the group of FSUs. 15. The computer-readable medium of claim 9, wherein the computer program further comprises instructions to execute an algorithm that prevents at least a partial flooding of the messages to the remote unit when the messages correspond to one of: (i) a common (storm) condition, and (ii) a selected condition.

이 특허에 인용된 특허 (69)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Seismic data acquisition systems and method utilizing a wireline repeater unit 원문보기

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Seismic data acquisition systems and method utilizing a wireline repeater unit 원문보기

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