FR2534325B1 - DEVICE FOR REDUCING THE PRESSURE OF FLUIDS - Google Patents

DEVICE FOR REDUCING THE PRESSURE OF FLUIDS

Info

Publication number
FR2534325B1
FR2534325B1 FR828217073A FR8217073A FR2534325B1 FR 2534325 B1 FR2534325 B1 FR 2534325B1 FR 828217073 A FR828217073 A FR 828217073A FR 8217073 A FR8217073 A FR 8217073A FR 2534325 B1 FR2534325 B1 FR 2534325B1
Authority
FR
France
Prior art keywords
fluids
reducing
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR828217073A
Other languages
French (fr)
Other versions
FR2534325A1 (en
Inventor
Warren Maurice Zingg
Larry Dale Welch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/185,065 external-priority patent/US4354552A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Priority to FR828217073A priority Critical patent/FR2534325B1/en
Publication of FR2534325A1 publication Critical patent/FR2534325A1/en
Application granted granted Critical
Publication of FR2534325B1 publication Critical patent/FR2534325B1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/025—Influencing flow of fluids in pipes or conduits by means of orifice or throttle elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/2607—Surface equipment specially adapted for fracturing operations
FR828217073A 1980-09-08 1982-10-12 DEVICE FOR REDUCING THE PRESSURE OF FLUIDS Expired FR2534325B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR828217073A FR2534325B1 (en) 1980-09-08 1982-10-12 DEVICE FOR REDUCING THE PRESSURE OF FLUIDS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/185,065 US4354552A (en) 1980-09-08 1980-09-08 Slurry concentrator
FR828217073A FR2534325B1 (en) 1980-09-08 1982-10-12 DEVICE FOR REDUCING THE PRESSURE OF FLUIDS

Publications (2)

Publication Number Publication Date
FR2534325A1 FR2534325A1 (en) 1984-04-13
FR2534325B1 true FR2534325B1 (en) 1988-06-17

Family

ID=26223105

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828217073A Expired FR2534325B1 (en) 1980-09-08 1982-10-12 DEVICE FOR REDUCING THE PRESSURE OF FLUIDS

Country Status (1)

Country Link
FR (1) FR2534325B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410215A (en) * 1944-10-24 1946-10-29 Henry G Houghton Spray nozzle
GB1080028A (en) * 1963-11-01 1967-08-23 Johnson Service Co Pure fluid control apparatus
US4103696A (en) * 1973-10-19 1978-08-01 Cary Francis H Control valve
SE390757B (en) * 1974-03-01 1977-01-17 Luftkonditionering Ab KIT AND DEVICE FOR THROTTLE OF A FLOOD

Also Published As

Publication number Publication date
FR2534325A1 (en) 1984-04-13

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Legal Events

Date Code Title Description
ST Notification of lapse