ZA98739B - Reverse circulation drill assembly - Google Patents

Reverse circulation drill assembly

Info

Publication number
ZA98739B
ZA98739B ZA98739A ZA98739A ZA98739B ZA 98739 B ZA98739 B ZA 98739B ZA 98739 A ZA98739 A ZA 98739A ZA 98739 A ZA98739 A ZA 98739A ZA 98739 B ZA98739 B ZA 98739B
Authority
ZA
South Africa
Prior art keywords
reverse circulation
drill assembly
circulation drill
assembly
reverse
Prior art date
Application number
ZA98739A
Inventor
Francis James Robinson
Richard Thomas Robinson
Original Assignee
Francis James Robinson
Richard Thomas Robinson
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 Francis James Robinson, Richard Thomas Robinson filed Critical Francis James Robinson
Publication of ZA98739B publication Critical patent/ZA98739B/en

Links

ZA98739A 1997-01-29 1998-01-29 Reverse circulation drill assembly ZA98739B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPO4830A AUPO483097A0 (en) 1997-01-29 1997-01-29 Reverse circulation drill assembly

Publications (1)

Publication Number Publication Date
ZA98739B true ZA98739B (en) 1998-07-29

Family

ID=3799134

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA98739A ZA98739B (en) 1997-01-29 1998-01-29 Reverse circulation drill assembly

Country Status (3)

Country Link
AU (1) AUPO483097A0 (en)
CA (1) CA2228343A1 (en)
ZA (1) ZA98739B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110530670A (en) * 2019-09-29 2019-12-03 王海瑞 A kind of reacting cycle dust sampling water tail apparatus
CN111287743B (en) * 2020-04-10 2022-08-23 中国地质科学院探矿工艺研究所 Air reverse circulation continuous sampling drilling system and process method for water-bearing stratum

Also Published As

Publication number Publication date
CA2228343A1 (en) 1998-07-29
AUPO483097A0 (en) 1997-02-20

Similar Documents

Publication Publication Date Title
GB2339465B (en) Drive assembly
GB2341405B (en) Circulation tool
EG22054A (en) Down hole mud circulation system
GB2333562B (en) Hydraulic drive assembly
PL326543A1 (en) Shaft-and-hub assembly
GB2328464B (en) Downhole drilling assembly
GB2339463B (en) Drive assembly
HUP0101753A3 (en) Boring-tool
GB9710312D0 (en) Drilling aid
GB2324828B (en) Lockset
HUP9801618A3 (en) Drill with one-disk seed-director
ZA9630B (en) A reverse circulation down-the-thole drill
HUP0001473A3 (en) Boring bit
GB2369667B (en) Drive assembly
GB2312660B (en) Drive assembly
ZA98739B (en) Reverse circulation drill assembly
AU132414S (en) Drill
AU5277998A (en) Reverse circulation drill assembly
GB9726732D0 (en) Drilling fluid
PL323162A1 (en) Drilling assembly
GB0126520D0 (en) Downhole assembly
TW334874U (en) Improved special drill structure
AUPP650098A0 (en) Reverse circulation drill rod
GB9701263D0 (en) Drive arrangement
TW329235U (en) Reverse expanding type drill