CA2485875A1 - Settling tank and method for separating a solids containing fluid - Google Patents

Settling tank and method for separating a solids containing fluid Download PDF

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Publication number
CA2485875A1
CA2485875A1 CA002485875A CA2485875A CA2485875A1 CA 2485875 A1 CA2485875 A1 CA 2485875A1 CA 002485875 A CA002485875 A CA 002485875A CA 2485875 A CA2485875 A CA 2485875A CA 2485875 A1 CA2485875 A1 CA 2485875A1
Authority
CA
Canada
Prior art keywords
settling
fluid
settling tank
solids containing
separating
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.)
Granted
Application number
CA002485875A
Other languages
French (fr)
Other versions
CA2485875C (en
Inventor
Donald Roy Smith
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.)
Stage 3 Separation Canada Inc
Original Assignee
BOS Rentals Ltd
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
Application filed by BOS Rentals Ltd filed Critical BOS Rentals Ltd
Priority to CA002485875A priority Critical patent/CA2485875C/en
Publication of CA2485875A1 publication Critical patent/CA2485875A1/en
Application granted granted Critical
Publication of CA2485875C publication Critical patent/CA2485875C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0024—Inlets or outlets provided with regulating devices, e.g. valves, flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2405—Feed mechanisms for settling tanks
    • B01D21/2416—Liquid distributors with a plurality of feed points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B01D21/2472—Means for fluidising the sediments, e.g. by jets or mechanical agitators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/04—Separation devices for treating liquids from earth drilling, mining

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Physical Water Treatments (AREA)

Abstract

A method and a settling tank for use in separating a solids containing fluid, such as a drilling fluid. The settling tank includes a settling compartment comprised of an inlet and an upper outlet so that the fluid passes through the settling compartment generally in a first direction from the inlet toward the upper outlet. Further, a backwash fluid source directs a backwash fluid within the settling compartment generally in a second direction which is substantially opposite to the first direction. The method includes the steps of passing the fluid through the settling compartment generally in the first direction and directing the backwash fluid within the settling compartment generally in the second direction. Finally, a method is also provided for clarifying a solids containing fluid using a settling tank, wherein the settling tank is comprised of at least three isolatable settling compartments connected in series.
CA002485875A 2004-10-22 2004-10-22 Settling tank and method for separating a solids containing fluid Active CA2485875C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002485875A CA2485875C (en) 2004-10-22 2004-10-22 Settling tank and method for separating a solids containing fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002485875A CA2485875C (en) 2004-10-22 2004-10-22 Settling tank and method for separating a solids containing fluid

Publications (2)

Publication Number Publication Date
CA2485875A1 true CA2485875A1 (en) 2006-04-22
CA2485875C CA2485875C (en) 2008-03-25

Family

ID=36242554

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002485875A Active CA2485875C (en) 2004-10-22 2004-10-22 Settling tank and method for separating a solids containing fluid

Country Status (1)

Country Link
CA (1) CA2485875C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015062907A (en) * 2012-06-20 2015-04-09 アクアインテック株式会社 Transfer system
CN115506735A (en) * 2021-06-07 2022-12-23 中国石油化工股份有限公司 Drilling fluid recycle system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015062907A (en) * 2012-06-20 2015-04-09 アクアインテック株式会社 Transfer system
CN115506735A (en) * 2021-06-07 2022-12-23 中国石油化工股份有限公司 Drilling fluid recycle system

Also Published As

Publication number Publication date
CA2485875C (en) 2008-03-25

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Legal Events

Date Code Title Description
EEER Examination request