IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0769046
(2001-01-24)
|
발명자
/ 주소 |
- Vinegar, Harold J.
- Burnett, Robert Rex
- Savage, William Mountjoy
- Carl, Jr., Frederick Gordon
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
215 인용 특허 :
84 |
초록
▼
A petroleum well has an electronic module and a number of sensors which communicate with the surface using the tubing string and casing as conductors. Induction chokes at the surface and downhole electrically impede AC flow through the (tubing or casing if so configured) with the resulting voltage p
A petroleum well has an electronic module and a number of sensors which communicate with the surface using the tubing string and casing as conductors. Induction chokes at the surface and downhole electrically impede AC flow through the (tubing or casing if so configured) with the resulting voltage potential useful for power and communication. A high bandwidth, adaptable spread spectrum communications system is used to communicate between the downhole electronics module and a surface master spread spectrum modem. Downhole sensors, such as pressure, temperature, acoustic and seismic sensors accurately assess downhole physical conditions. In a preferred form, the electronics module and sensors are wireline insertable and retrievable into a side pocket mandrel in the tubing string. Permanent downhole sensors that can communicate with the surface allow such diverse applications as optimizing well and field performances, monitoring and assessing the geophysics of the fomrations around the well, assessing well and reservoir reserves, assessing reservoir conditions.
대표청구항
▼
A petroleum well has an electronic module and a number of sensors which communicate with the surface using the tubing string and casing as conductors. Induction chokes at the surface and downhole electrically impede AC flow through the (tubing or casing if so configured) with the resulting voltage p
A petroleum well has an electronic module and a number of sensors which communicate with the surface using the tubing string and casing as conductors. Induction chokes at the surface and downhole electrically impede AC flow through the (tubing or casing if so configured) with the resulting voltage potential useful for power and communication. A high bandwidth, adaptable spread spectrum communications system is used to communicate between the downhole electronics module and a surface master spread spectrum modem. Downhole sensors, such as pressure, temperature, acoustic and seismic sensors accurately assess downhole physical conditions. In a preferred form, the electronics module and sensors are wireline insertable and retrievable into a side pocket mandrel in the tubing string. Permanent downhole sensors that can communicate with the surface allow such diverse applications as optimizing well and field performances, monitoring and assessing the geophysics of the fomrations around the well, assessing well and reservoir reserves, assessing reservoir conditions. 5739, 19970400, Dallas, 166/306; US-5659347, 19970800, Taylor, 347/085; US-5669444, 19970900, Riese et al., 166/263; US-5680901, 19971000, Gardes, 166/313; US-5690390, 19971100, Bithell, 299/004; US-5706871, 19980100, Andersson et al., 141/059; US-5720356, 19980200, Gardes, 175/062; US-5727629, 19980300, Blizzard, Jr. et al., 166/298; US-5735350, 19980400, Longbottom et al., 166/313; US-5771976, 19980600, Talley, 166/370; US-5785133, 19980700, Murray et al., 175/061; US-5832958, 19981100, Cheng, 137/625.41; US-5852505, 19981200, Li, 359/118; US-5853054, 19981200, McGarian et al., 175/267; US-5853056, 19981200, Landers, 175/424; US-5863283, 19990100, Gardes, 588/250; US-5867289, 19990200, Gerstel et al., 359/110; US-5868202, 19990200, Hsu, 166/256; US-5868210, 19990200, Johnson et al., 175/040; US-5879057, 19990300, Schwoebel et al., 299/017; US-5884704, 19990300, Longbottom et al., 016/313; US-5912754, 19990600, Koga et al., 359/179; US-5914798, 19990600, Liu, 359/161; US-5917325, 19990600, Smith, 324/326; US-5934390, 19990800, Uthe, 175/067; US-5957539, 19990900, Durup et al., 299/004; US-6012520, 20000100, Yu et al., 196/245; US-6024171, 20000200, Montgomery et al., 166/308; US-6050335, 20000400, Parsons, 166/272.3; US-6056059, 20000500, Ohmer, 166/313; US-6065550, 20000500, Gardes, 175/062; US-6119771, 20000900, Gano et al., 166/050; US-6135208, 20001000, Gano et al., 166/313; US-6280000, 20010800, Zupanick, 299/012; US-6349769, 20020200, Ohmer,
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