EP0207068A3 - Method for manufacturing non-magnetic drilling rods - Google Patents
Method for manufacturing non-magnetic drilling rods Download PDFInfo
- Publication number
- EP0207068A3 EP0207068A3 EP86890180A EP86890180A EP0207068A3 EP 0207068 A3 EP0207068 A3 EP 0207068A3 EP 86890180 A EP86890180 A EP 86890180A EP 86890180 A EP86890180 A EP 86890180A EP 0207068 A3 EP0207068 A3 EP 0207068A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- drilling rods
- manufacturing non
- magnetic drilling
- magnetic
- manufacturing
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0187985A AT381658B (en) | 1985-06-25 | 1985-06-25 | METHOD FOR PRODUCING AMAGNETIC DRILL STRING PARTS |
AT1879/85 | 1985-06-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0207068A2 EP0207068A2 (en) | 1986-12-30 |
EP0207068A3 true EP0207068A3 (en) | 1988-11-09 |
EP0207068B1 EP0207068B1 (en) | 1991-09-25 |
Family
ID=3522989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86890180A Expired - Lifetime EP0207068B1 (en) | 1985-06-25 | 1986-06-19 | Method for manufacturing non-magnetic drilling rods |
Country Status (5)
Country | Link |
---|---|
US (1) | US4919728A (en) |
EP (1) | EP0207068B1 (en) |
JP (1) | JPS621815A (en) |
AT (1) | AT381658B (en) |
DE (1) | DE3681641D1 (en) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT392802B (en) * | 1988-08-04 | 1991-06-25 | Schoeller Bleckmann Stahlwerke | METHOD FOR THE PRODUCTION OF TUBE-SHAPED CORROSION-RESISTANT BODY-BODIES, IN PARTICULAR NON-MAGNETIZABLE HEAVY RODS FROM AUSTENITIC STEELS |
FR2672904B1 (en) * | 1991-02-14 | 1993-05-07 | Aubert & Duval Acieries | NON-MAGNETIC STAINLESS STEEL BASED ON MANGANESE-CHROME RESISTANT TO CORROSION UNDER STRESS, METHOD OF MANUFACTURING A LONG-LENGTH NON-MAGNETIC STEEL BAR. |
US5904499A (en) * | 1994-12-22 | 1999-05-18 | Pace; Benedict G | Package for power semiconductor chips |
FR2744379A1 (en) * | 1996-02-07 | 1997-08-08 | Smf Int | METHOD FOR THE MECHANICAL TREATMENT OF A NON-MAGNETIC AUSTENITE STEEL LONG-SHAPED PRODUCT AND IN PARTICULAR OF A ROD SHEER FOR OIL DRILLING |
US5672218A (en) * | 1996-06-24 | 1997-09-30 | Slater Steels Corporation | Method of straightening metal bars having extremely low levels of residual stress after straightening operations are completed |
GB2331103A (en) * | 1997-11-05 | 1999-05-12 | Jessop Saville Limited | Non-magnetic corrosion resistant high strength steels |
AT407882B (en) | 1999-07-15 | 2001-07-25 | Schoeller Bleckmann Oilfield T | METHOD FOR PRODUCING A PARAMAGNETIC, CORROSION-RESISTANT MATERIAL AND THE LIKE MATERIALS WITH A HIGH STRETCH LIMIT, STRENGTH AND TENSITY |
SE522352C2 (en) * | 2000-02-16 | 2004-02-03 | Sandvik Ab | Elongated element for striking rock drilling and use of steel for this |
JP2003155542A (en) * | 2001-11-21 | 2003-05-30 | Japan Atom Energy Res Inst | HIGH NONMAGNETIC Mn STEEL FOR SUPERCONDUCTING MAGNET HAVING EXCELLENT HOT WORKABILITY AND HEATING EMBRITTLEMENT RESISTANCE AFTER HEAT TREATMENT FOR PRODUCING SUPERCONDUCTING MAGNET |
US20040221929A1 (en) | 2003-05-09 | 2004-11-11 | Hebda John J. | Processing of titanium-aluminum-vanadium alloys and products made thereby |
AT412727B (en) | 2003-12-03 | 2005-06-27 | Boehler Edelstahl | CORROSION RESISTANT, AUSTENITIC STEEL ALLOY |
US7837812B2 (en) | 2004-05-21 | 2010-11-23 | Ati Properties, Inc. | Metastable beta-titanium alloys and methods of processing the same by direct aging |
ATE477349T1 (en) * | 2006-06-23 | 2010-08-15 | Jorgensen Forge Corp | AUSTENITIC PARAMAGNETIC CORROSION-FREE STEEL |
US7658883B2 (en) * | 2006-12-18 | 2010-02-09 | Schlumberger Technology Corporation | Interstitially strengthened high carbon and high nitrogen austenitic alloys, oilfield apparatus comprising same, and methods of making and using same |
SE532138C2 (en) * | 2007-07-11 | 2009-11-03 | Sandvik Intellectual Property | Elongated element for striking rock drilling, method of manufacture thereof and use thereof |
US10053758B2 (en) * | 2010-01-22 | 2018-08-21 | Ati Properties Llc | Production of high strength titanium |
US9255316B2 (en) | 2010-07-19 | 2016-02-09 | Ati Properties, Inc. | Processing of α+β titanium alloys |
US9206497B2 (en) | 2010-09-15 | 2015-12-08 | Ati Properties, Inc. | Methods for processing titanium alloys |
US8613818B2 (en) | 2010-09-15 | 2013-12-24 | Ati Properties, Inc. | Processing routes for titanium and titanium alloys |
US10513755B2 (en) | 2010-09-23 | 2019-12-24 | Ati Properties Llc | High strength alpha/beta titanium alloy fasteners and fastener stock |
US20120160363A1 (en) * | 2010-12-28 | 2012-06-28 | Exxonmobil Research And Engineering Company | High manganese containing steels for oil, gas and petrochemical applications |
US8652400B2 (en) | 2011-06-01 | 2014-02-18 | Ati Properties, Inc. | Thermo-mechanical processing of nickel-base alloys |
AU2012362827B2 (en) | 2011-12-30 | 2016-12-22 | Scoperta, Inc. | Coating compositions |
US9050647B2 (en) | 2013-03-15 | 2015-06-09 | Ati Properties, Inc. | Split-pass open-die forging for hard-to-forge, strain-path sensitive titanium-base and nickel-base alloys |
CA2887726A1 (en) | 2012-10-11 | 2014-04-17 | Scoperta, Inc. | Non-magnetic metal alloy compositions and applications |
US9869003B2 (en) | 2013-02-26 | 2018-01-16 | Ati Properties Llc | Methods for processing alloys |
US9192981B2 (en) * | 2013-03-11 | 2015-11-24 | Ati Properties, Inc. | Thermomechanical processing of high strength non-magnetic corrosion resistant material |
US9777361B2 (en) | 2013-03-15 | 2017-10-03 | Ati Properties Llc | Thermomechanical processing of alpha-beta titanium alloys |
US11111552B2 (en) * | 2013-11-12 | 2021-09-07 | Ati Properties Llc | Methods for processing metal alloys |
CA2931842A1 (en) | 2013-11-26 | 2015-06-04 | Scoperta, Inc. | Corrosion resistant hardfacing alloy |
CN106661702B (en) | 2014-06-09 | 2019-06-04 | 斯克皮尔塔公司 | Cracking resistance hard-facing alloys |
JP7002169B2 (en) | 2014-12-16 | 2022-01-20 | エリコン メテコ(ユーエス)インコーポレイテッド | Multiple hard phase-containing iron alloys with toughness and wear resistance |
US10094003B2 (en) | 2015-01-12 | 2018-10-09 | Ati Properties Llc | Titanium alloy |
WO2017040775A1 (en) | 2015-09-04 | 2017-03-09 | Scoperta, Inc. | Chromium free and low-chromium wear resistant alloys |
AU2016321163B2 (en) | 2015-09-08 | 2022-03-10 | Scoperta, Inc. | Non-magnetic, strong carbide forming alloys for powder manufacture |
EP3374536A4 (en) | 2015-11-10 | 2019-03-20 | Scoperta, Inc. | Oxidation controlled twin wire arc spray materials |
US10502252B2 (en) | 2015-11-23 | 2019-12-10 | Ati Properties Llc | Processing of alpha-beta titanium alloys |
EP3433393B1 (en) | 2016-03-22 | 2021-10-13 | Oerlikon Metco (US) Inc. | Fully readable thermal spray coating |
EP3870727A1 (en) | 2018-10-26 | 2021-09-01 | Oerlikon Metco (US) Inc. | Corrosion and wear resistant nickel based alloys |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB902440A (en) * | 1959-06-04 | 1962-08-01 | Schoeller Bleckmann Stahlwerke | Use of non-magnetizable austenitic alloy steels for drill stems |
US3082083A (en) * | 1960-12-02 | 1963-03-19 | Armco Steel Corp | Alloy of stainless steel and articles |
DE1183696B (en) * | 1961-10-18 | 1964-12-17 | Schoeller Bleckmann Stahlwerke | Use of austenitic, corrosion-resistant chromium-manganese-nitrogen steels for the production of objects that are resistant to stress corrosion cracking |
EP0042180A1 (en) * | 1980-06-17 | 1981-12-23 | Kabushiki Kaisha Toshiba | A high cavitation erosion resistance stainless steel and hydraulic machines being made of the same |
US4502886A (en) * | 1983-01-06 | 1985-03-05 | Armco Inc. | Austenitic stainless steel and drill collar |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58167724A (en) * | 1982-03-26 | 1983-10-04 | Kobe Steel Ltd | Method of preparing blank useful as stabilizer for drilling oil well |
-
1985
- 1985-06-25 AT AT0187985A patent/AT381658B/en not_active IP Right Cessation
-
1986
- 1986-06-18 JP JP61140449A patent/JPS621815A/en active Pending
- 1986-06-19 EP EP86890180A patent/EP0207068B1/en not_active Expired - Lifetime
- 1986-06-19 DE DE8686890180T patent/DE3681641D1/en not_active Expired - Lifetime
-
1988
- 1988-07-15 US US07/219,216 patent/US4919728A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB902440A (en) * | 1959-06-04 | 1962-08-01 | Schoeller Bleckmann Stahlwerke | Use of non-magnetizable austenitic alloy steels for drill stems |
US3082083A (en) * | 1960-12-02 | 1963-03-19 | Armco Steel Corp | Alloy of stainless steel and articles |
DE1183696B (en) * | 1961-10-18 | 1964-12-17 | Schoeller Bleckmann Stahlwerke | Use of austenitic, corrosion-resistant chromium-manganese-nitrogen steels for the production of objects that are resistant to stress corrosion cracking |
EP0042180A1 (en) * | 1980-06-17 | 1981-12-23 | Kabushiki Kaisha Toshiba | A high cavitation erosion resistance stainless steel and hydraulic machines being made of the same |
US4502886A (en) * | 1983-01-06 | 1985-03-05 | Armco Inc. | Austenitic stainless steel and drill collar |
Non-Patent Citations (1)
Title |
---|
VEREIN DEUTSCHER EISENHÜTTENLEUTE: "Werkstoffkunde Stahl", Band 1: Grundlagen; Teil C2.3.1, "Magnetismus der gamma Eisenlegierungen", 1984, Seiten 419-424, Springer Verlag, Berlin, DE * |
Also Published As
Publication number | Publication date |
---|---|
US4919728A (en) | 1990-04-24 |
EP0207068A2 (en) | 1986-12-30 |
DE3681641D1 (en) | 1991-10-31 |
EP0207068B1 (en) | 1991-09-25 |
JPS621815A (en) | 1987-01-07 |
ATA187985A (en) | 1986-04-15 |
AT381658B (en) | 1986-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0207068A3 (en) | Method for manufacturing non-magnetic drilling rods | |
GB8623005D0 (en) | Drilling method | |
PL262901A1 (en) | Method for manufacturing new n-benzoilurea compounds | |
PL270816A1 (en) | Method for manufacturing new triazolinone derivatives | |
GB2162565B (en) | Method for forming boreholes | |
PL275689A1 (en) | Method form manufacturing new derivatives of 3-phenyl-4-cyanopyrrole | |
PL271856A1 (en) | Method for manufacturing new hydroxypyrimydines | |
PL264054A1 (en) | Method for manufacturing new dichloraniline derivatives | |
GB2173496B (en) | Method for producing epichlorohydrin | |
HUT46107A (en) | Method for reinforcing geological formations | |
GB8627947D0 (en) | Bobbin changing method | |
GB8603545D0 (en) | Boring process | |
GR862751B (en) | Method for manufacturing reliefs | |
GB8417290D0 (en) | Nuclear magnetic resonance method | |
GB8828703D0 (en) | Method & apparatus for logging borehole | |
DE3561963D1 (en) | Azimuth-measuring method for inclined boreholes | |
GB2179036B (en) | Method for manufacturing concrete | |
EP0301671A3 (en) | Method of magnetizing well tubulars | |
GB2183277B (en) | Method for handling wellhead assembly | |
GB2190616B (en) | Method for making drill rods | |
ZA854488B (en) | Borehole investigation method | |
GB2178998B (en) | Fishing rod manufacturing method | |
PL271723A1 (en) | Method for manufacturing new benzazepine derivatives | |
GB8607884D0 (en) | Pulsed neutron logging method | |
HUT44093A (en) | Tubing as well as method and apparatus for constructing same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): BE CH DE FR GB IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19870520 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): BE CH DE FR GB IT LI LU NL SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SCHOELLER-BLECKMANN GES. M.B.H. |
|
17Q | First examination report despatched |
Effective date: 19900111 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): BE CH DE FR GB IT LI LU NL SE |
|
REF | Corresponds to: |
Ref document number: 3681641 Country of ref document: DE Date of ref document: 19911031 |
|
ITF | It: translation for a ep patent filed |
Owner name: STUDIO TORTA SOCIETA' SEMPLICE |
|
ET | Fr: translation filed | ||
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
26 | Opposition filed |
Opponent name: THYSSEN EDELSTAHLWERKE AG Effective date: 19920525 |
|
NLR1 | Nl: opposition has been filed with the epo |
Opponent name: THYSSEN EDELSTAHLWERKE AG |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19930512 Year of fee payment: 8 Ref country code: DE Payment date: 19930512 Year of fee payment: 8 Ref country code: CH Payment date: 19930512 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 19930513 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: LU Payment date: 19930518 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19930519 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19930524 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19930630 Year of fee payment: 8 |
|
EPTA | Lu: last paid annual fee | ||
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
R26 | Opposition filed (corrected) |
Opponent name: THYSSEN EDELSTAHLWERKE AG Effective date: 19920525 |
|
RDAC | Information related to revocation of patent modified |
Free format text: ORIGINAL CODE: 0009299REVO |
|
RDAG | Patent revoked |
Free format text: ORIGINAL CODE: 0009271 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT REVOKED |
|
27W | Patent revoked |
Effective date: 19940421 |
|
GBPR | Gb: patent revoked under art. 102 of the ep convention designating the uk as contracting state |
Free format text: 940421 |
|
R27W | Patent revoked (corrected) |
Effective date: 19940421 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
NLR2 | Nl: decision of opposition | ||
EUG | Se: european patent has lapsed |
Ref document number: 86890180.2 Effective date: 19940907 |