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A FIBER OPTIC PRESSURE SENSOR FOR USE IN WELLBORES

Award Information

Agency:
Department of Energy
Branch:
N/A
Award ID:
7690
Program Year/Program:
1988 / SBIR
Agency Tracking Number:
7690
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Optech
360 Herndon Pkwy Ste 1200 Herndon, VA 22070
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 1988
Title: A FIBER OPTIC PRESSURE SENSOR FOR USE IN WELLBORES
Agency: DOE
Contract: N/A
Award Amount: $50,000.00
 

Abstract:

PRESSURE MEASUREMENTS DEEP IN GEOTHERMAL WELLBORES PROVIDE SOME OF THE MOST VALUABLE DATA FOR MEASURING THE PRODUCTIVITY OF GEOTHERMAL WELLS AND FOR ASSESSING RESERVOIRCHARACTERISTICS. WELLBORES HAVE VERY HIGH PRESSURE AND VERY LOW PH, BUT, MOST SIGNIFICANTLY, THEY HAVE VERY HIGH TEMPERATURES (UP TO 350 DEGREES CENTIGRADE) THAT PRECLUDE PRESENT PRESSURE MEASURING INSTRUMENTATION FROM OPERATING ADEQUATELY. INSTRUMENTATION IS NEEDED THAT CAN PROVIDE IMPROVED PRESSURE MEASUREMENT RESOLUTION, ACCURACY, AND RELIABILITY IN HARSH WELLBORE ENVIRONMENTS. TO MEET THIS NEED, A FIBER OPTIC INTERFEROMETRIC PRESSURE SENSOR WITH THE FOLLOWING UNIQUE ADVANTAGES IS BEING DEVELOPED: (1) ACCURACY BETTER THAN 0.01%, (2) RESOLUTION BETTER THAN 0.001%, (3) OPERATION AT TEMPERATURES BETWEEN 150 DEGREES CENTIGRADE AND 350 DEGREES CENTIGRADE DEPENDING ON THE MECHANICAL DITHER EMPLOYED, (4) IN-PLACE CALIBRATION VERIFICATION CAPABILITY, (5) SEPARATION BETWEEN SENSOR AND ELECTRONICS OF UP TO SEVERAL KILOMETERS, (6) PRESSURE SPAN OF 0 TO 10,000 PSI AND ABOVE, (7) NO ELECTRICAL COMPONENTS AT THE SENSING END, (8) IMMUNITY TO ELECTROMAGNETIC INTERFERENCE (EMI), AND (9) LIGHTER WEIGHT AND SMALLER SIZE.

Principal Investigator:

Dr charles m davis
0

Business Contact:

Robert E. Einzig
7034781844
Small Business Information at Submission:

Optical Technologies, Inc
360 Herndon Parkway Suite 1200 Herndon, VA 22070

EIN/Tax ID:
DUNS: N/A
Number of Employees: N/A
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No