GB790610A - Hollow drill steel and a method for its manufacture - Google Patents
Hollow drill steel and a method for its manufactureInfo
- Publication number
- GB790610A GB790610A GB1944157A GB1944157A GB790610A GB 790610 A GB790610 A GB 790610A GB 1944157 A GB1944157 A GB 1944157A GB 1944157 A GB1944157 A GB 1944157A GB 790610 A GB790610 A GB 790610A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- corrosion
- steel
- preventing
- drill steel
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 5
- 239000010959 steel Substances 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000010410 layer Substances 0.000 abstract 7
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 238000011010 flushing procedure Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 238000004873 anchoring Methods 0.000 abstract 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 abstract 1
- 239000002826 coolant Substances 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- 239000012858 resilient material Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 239000002982 water resistant material Substances 0.000 abstract 1
Classifications
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/02—Percussive tool bits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
790,610. Percussive drills. SANDVIKENS JERNVERKS AKTIEBOLAG. June 22,1954 No. 19441/57. Divided out of 783,526. Class 124. A method of making a hollow drill steel comprises anchoring, by means of an intermediate covering layer, a corrosion-preventing coating consisting of a non-metallic water-resistant and resilient material to the flushing channel or flushing channel and outer surface but excluding the method described and claimed in Specification 783,526. The intermediate covering layer is defined as a,layer firmly attached to the drill steel and adapted partly to absorb the corrosion preventing layer, and may consist of a metal sprayed on to give a porous layer. The coating may be rubber or rubber-like material, or an elastomeric plastic material, or a silicone. The surface of the steel before applying the intermediate layer may be sand-blasted or pickled, nitrided, case-hardened, cold hammered, cold drawn or inductively heated while the surface layers are immersed in a coolant bath. The covering layer, after application to the steel may be treated with a corrosion-preventing substance, e.g., a solution of sodium or potassium chromate or chromic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1944157A GB790610A (en) | 1954-06-22 | 1954-06-22 | Hollow drill steel and a method for its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1944157A GB790610A (en) | 1954-06-22 | 1954-06-22 | Hollow drill steel and a method for its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB790610A true GB790610A (en) | 1958-02-12 |
Family
ID=10129444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1944157A Expired GB790610A (en) | 1954-06-22 | 1954-06-22 | Hollow drill steel and a method for its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB790610A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015726A1 (en) * | 1979-03-02 | 1980-09-17 | Roger Dale Crooks | Method relating to the pumping of fluid along a tubular structure in a bore of a well and tubular component for use in such structure |
| US10060206B2 (en) | 2010-01-11 | 2018-08-28 | Epiroc Rock Drills Aktiebolag | Percussion rock drilling machine and drill rig |
-
1954
- 1954-06-22 GB GB1944157A patent/GB790610A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015726A1 (en) * | 1979-03-02 | 1980-09-17 | Roger Dale Crooks | Method relating to the pumping of fluid along a tubular structure in a bore of a well and tubular component for use in such structure |
| US10060206B2 (en) | 2010-01-11 | 2018-08-28 | Epiroc Rock Drills Aktiebolag | Percussion rock drilling machine and drill rig |
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