UST913010I4 - Method and apparatus for determining solids production from a well - Google Patents

Method and apparatus for determining solids production from a well Download PDF

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Publication number
UST913010I4
UST913010I4 US913010DH UST913010I4 US T913010 I4 UST913010 I4 US T913010I4 US 913010D H US913010D H US 913010DH US T913010 I4 UST913010 I4 US T913010I4
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United States
Prior art keywords
densitometer
employed
wellhead
densitometers
choke
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Pending
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Publication of UST913010I4 publication Critical patent/UST913010I4/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/12—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a flowing fluid or a flowing granular solid
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/107—Locating fluid leaks, intrusions or movements using acoustic means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/11—Locating fluid leaks, intrusions or movements using tracers; using radioactivity

Definitions

  • the method and apparatus utilize at least one densitometer which operates on either a nuclear radiation (e.g., neutrons or gamma rays) attenuation mechanism or a vibrating mechanical element mechanism.
  • the densitometer is used in conjunction with the wellhead and its associated production piping.
  • the densitometer is placed on a wellhead production outlet pipe upstream of any choke in said pipe, the densitometer being employed without any temperature compensating device.
  • the densitometer (11) is employed downstream of a choke, and temperature compensating means (30, 15) is employed so that the output of the densitometer is adjusted to a constant temperature value.
  • the densitometer can be set to energize an alarm (17), immediately or after a preset time delay, when the detected specific gravity of the well fluid varies beyond a preset minimum and/ or maximum.
  • One or more densitometers can be used on a given production outlet pipe. Densitometers can be employed on part or all of the production outlet pipes of a given wellhead.

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Radiation (AREA)

Abstract

CHOKE, AND TEMPERATURE COMPENSATING MEANS (30, 15) IS EMPLOYED SO THAT THE OUTPUT OF THE DENSITOMETER IS ADJUSTED TO A CONSTANT TEMPERATURE VALUE. THE DENSITOMETER CAN BE SET TO ENERGIZE AN ALARM (17), IMMEDIATELY OR AFTER A PRESET TIME DELAY, WHEN THE DETECTED SPECIFIC GRAVITY OF THE WELL FLUID VARIES BEYOND A PRESET MINIMUM AND/ OR MAXIMUM. ONE OR MORE DENSITOMETERS CAN BE USED ON A GIVEN PRODUCTION OUTLET PIPE. DENSITOMETERS CAN BE EMPLOYED ON PART OR ALL OF THE PRODUCTION OUTLET PIPES OF A GIVEN WELLHEAD.

A METHOD AND APPARATUS FOR DETERMINING, QUALITATIVELY AND QUANTITATIVELY, WHEN SOLID PARTICULATE MATTER, SUCH AS SAND, BEING PRODUCED FROM A WELL ALONG WITH THE NORMAL WELL FLUID. THE METHOD AND APPARATUS UTILIZE AT LEAST ONE DENSITOMETER WHICH OPERATES ON EITHER A NUCLEAR RADIATION (E.G, NEUTRONS OR GAMMA RAYS) ATTENUATION MECHANISM OR A VIBRATING MECHANICAL ELEMENT MECHANISM. THE DENSITOMETER IS USED IN CONJUNCTION WITH THE WELLHEAD AND ITS ASSOCIATED PRODUCTION PIPING. IN ONE EMBODIMENT THE DENSITOMETER IS PLACED ON A WELLHEAD PRODUCTION OUTLET PIPE UPSTREAM OF ANY CHOKE IN SAID PIPE, THE DENSITOMETER BEING EMPLOYED WITHOUT ANY TEMPERATURE COMPENSATING DEVICE. IN ANOTHER EMBODIMENT THE DENSITOMETER (11) IS EMPLOYED DOWNSTREAM OF A

Description

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may he purchased for 30 cents a sheet.
Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED AUGUST 14, 1973 A method and apparatus for determining, qualitatively and quantitatively, when solid particulate matter, such as sand, is being produced from a well along with the normal well fluid. The method and apparatus utilize at least one densitometer which operates on either a nuclear radiation (e.g., neutrons or gamma rays) attenuation mechanism or a vibrating mechanical element mechanism. The densitometer is used in conjunction with the wellhead and its associated production piping. In one embodiment the densitometer is placed on a wellhead production outlet pipe upstream of any choke in said pipe, the densitometer being employed without any temperature compensating device. In another embodiment the densitometer (11) is employed downstream of a choke, and temperature compensating means (30, 15) is employed so that the output of the densitometer is adjusted to a constant temperature value. The densitometer can be set to energize an alarm (17), immediately or after a preset time delay, when the detected specific gravity of the well fluid varies beyond a preset minimum and/ or maximum. One or more densitometers can be used on a given production outlet pipe. Densitometers can be employed on part or all of the production outlet pipes of a given wellhead.
Aug. 14, 1973 FIG. 3
US913010D 1973-03-15 1973-03-15 Method and apparatus for determining solids production from a well Pending UST913010I4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34147573A 1973-03-15 1973-03-15

Publications (1)

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UST913010I4 true UST913010I4 (en) 1973-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
US913010D Pending UST913010I4 (en) 1973-03-15 1973-03-15 Method and apparatus for determining solids production from a well

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211677A (en) * 1990-10-17 1993-05-18 Norsk Hydro A.S. Method and apparatus for measuring the quantity of particulate material in a fluid stream
US5250807A (en) * 1989-07-07 1993-10-05 Norsk Hydro A.S. Sand detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5250807A (en) * 1989-07-07 1993-10-05 Norsk Hydro A.S. Sand detector
US5211677A (en) * 1990-10-17 1993-05-18 Norsk Hydro A.S. Method and apparatus for measuring the quantity of particulate material in a fluid stream

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