NL7209281A - - Google Patents
Info
- Publication number
- NL7209281A NL7209281A NL7209281A NL7209281A NL7209281A NL 7209281 A NL7209281 A NL 7209281A NL 7209281 A NL7209281 A NL 7209281A NL 7209281 A NL7209281 A NL 7209281A NL 7209281 A NL7209281 A NL 7209281A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B45/00—Measuring the drilling time or rate of penetration
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/17—Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18077571A | 1971-09-15 | 1971-09-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7209281A true NL7209281A (de) | 1973-03-19 |
Family
ID=22661719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7209281A NL7209281A (de) | 1971-09-15 | 1972-06-30 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4838204A (de) |
| AU (1) | AU4442472A (de) |
| FR (1) | FR2165851A1 (de) |
| NL (1) | NL7209281A (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1385625A (en) * | 1972-10-10 | 1975-02-26 | Texaco Development Corp | Method and apparatus for developing a surface well-drilling log |
| JPS5620435B2 (de) * | 1973-11-06 | 1981-05-13 | ||
| JPS51123966A (en) * | 1975-04-22 | 1976-10-29 | Sumitomo Chem Co Ltd | Removing method of dust contained in a combustion exhaust gas |
| FI69680C (fi) * | 1984-06-12 | 1986-03-10 | Tampella Oy Ab | Foerfarande foer optimering av bergborrning |
| AU608503B2 (en) * | 1985-07-15 | 1991-04-11 | Chevron Research And Technology Company | Method of avoiding stuck drilling equipment |
| JPS6414142A (en) * | 1987-07-07 | 1989-01-18 | Mitsubishi Mining & Cement Co | Production of ceramic powder |
| GB2264562B (en) * | 1992-02-22 | 1995-03-22 | Anadrill Int Sa | Determination of drill bit rate of penetration from surface measurements |
| US6769497B2 (en) | 2001-06-14 | 2004-08-03 | Baker Hughes Incorporated | Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications |
| US10400573B2 (en) | 2013-02-05 | 2019-09-03 | Schlumberger Technology Corporation | System and method for controlling drilling process |
-
1972
- 1972-06-30 NL NL7209281A patent/NL7209281A/xx unknown
- 1972-07-11 AU AU44424/72A patent/AU4442472A/en not_active Expired
- 1972-09-13 FR FR7232475A patent/FR2165851A1/fr not_active Withdrawn
- 1972-09-16 JP JP9312772A patent/JPS4838204A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4838204A (de) | 1973-06-05 |
| AU4442472A (en) | 1974-01-17 |
| FR2165851A1 (en) | 1973-08-10 |