JPS64192A - Mud conditioner - Google Patents

Mud conditioner

Info

Publication number
JPS64192A
JPS64192A JP62244177A JP24417787A JPS64192A JP S64192 A JPS64192 A JP S64192A JP 62244177 A JP62244177 A JP 62244177A JP 24417787 A JP24417787 A JP 24417787A JP S64192 A JPS64192 A JP S64192A
Authority
JP
Japan
Prior art keywords
powder
mud
mud conditioner
water
conditioner
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.)
Pending
Application number
JP62244177A
Other languages
Japanese (ja)
Other versions
JPH01192A (en
Inventor
Hiromi Hiroshima
Yoshikazu Munechika
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.)
Kunimine Industries Co Ltd
Original Assignee
Kunimine Industries Co 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 Kunimine Industries Co Ltd filed Critical Kunimine Industries Co Ltd
Priority to JP62-244177A priority Critical patent/JPH01192A/en
Priority claimed from JP62-244177A external-priority patent/JPH01192A/en
Publication of JPS64192A publication Critical patent/JPS64192A/en
Publication of JPH01192A publication Critical patent/JPH01192A/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
    • E21D9/0678—Adding additives, e.g. chemical compositions, to the slurry or the cuttings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

PURPOSE:To prepare a mud conditioner which is inexpensive and exhibits excellent flowability, viscosity, film-forming property, etc., by mixing an inorg. material powder comprising a swelling clay powder mainly composed of montmorillonite and a mineral powder other than the swelling clay with a water-soluble polymer compd. CONSTITUTION:100pts.wt. inorganic material comprising 1-40pts.wt. montmorillonite powder containing mainly an alkali metal as an exchangeable anion (e.g., montomorillonite wherein at least 65% of the exchangeable anion is Na) and 99-66pts.wt. mineral powder other than the aforesaid swelling clay (e.g., shale powder) is mixed with 0.01-5pts.wt. water-soluble polymer compd. (e.g., carboxymethylcellulose) to prepare a mud conditioner. The mud water prepd. by making use of this mud conditioner is more inexpensive than that prepd. by making use of a commercially available mud conditioner comprising bentonite and exhibits excellent flowability, viscosity, film-forming property, etc.
JP62-244177A 1987-02-09 1987-09-30 mud conditioning material Pending JPH01192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62-244177A JPH01192A (en) 1987-02-09 1987-09-30 mud conditioning material

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62-27573 1987-02-09
JP2757387 1987-02-09
JP62-244177A JPH01192A (en) 1987-02-09 1987-09-30 mud conditioning material

Publications (2)

Publication Number Publication Date
JPS64192A true JPS64192A (en) 1989-01-05
JPH01192A JPH01192A (en) 1989-01-05

Family

ID=

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01121396A (en) * 1987-11-04 1989-05-15 Jdc Corp Slurry composition for shield excavation
US4866839A (en) * 1987-10-23 1989-09-19 The Boeing Company Method for forming a high-conductivity junction between composite structures and metal fittings
US4920449A (en) * 1988-01-19 1990-04-24 The Boeing Company Conductive bonding of composite structures

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58104982A (en) * 1981-12-18 1983-06-22 カツドゲン・ア−ル・ゼツト・リミテツド Well drilling process and manufacture of composition for use of manufacturing well drilling mud water
JPS58154783A (en) * 1982-03-09 1983-09-14 Tobishima Kensetsu Kk Stabilizer for use in excavation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58104982A (en) * 1981-12-18 1983-06-22 カツドゲン・ア−ル・ゼツト・リミテツド Well drilling process and manufacture of composition for use of manufacturing well drilling mud water
JPS58154783A (en) * 1982-03-09 1983-09-14 Tobishima Kensetsu Kk Stabilizer for use in excavation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866839A (en) * 1987-10-23 1989-09-19 The Boeing Company Method for forming a high-conductivity junction between composite structures and metal fittings
JPH01121396A (en) * 1987-11-04 1989-05-15 Jdc Corp Slurry composition for shield excavation
US4920449A (en) * 1988-01-19 1990-04-24 The Boeing Company Conductive bonding of composite structures

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