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Class Information
Number: 166/250.09
Name: Wells > Processes > With indicating, testing, measuring or locating > Impression means
Description: Measuring including the step(s) of taking an imprint of the formation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6260618 |
Method for locating placement of a guide stock in a multilateral well |
Jul. 17, 2001 |
| 5799732 |
Small hole retrievable perforating system for use during extreme overbalanced perforating |
Sep. 1, 1998 |
| 5651415 |
System for selective re-entry to completed laterals |
Jul. 29, 1997 |
| 5165276 |
Downhole measurements using very short fractures |
Nov. 24, 1992 |
| 5105659 |
Detection of fracturing events using derivatives of fracturing pressures |
Apr. 21, 1992 |
| 5070457 |
Methods for design and analysis of subterranean fractures using net pressures |
Dec. 3, 1991 |
| 5050690 |
In-situ stress measurement method and device |
Sep. 24, 1991 |
| 4926940 |
Method for monitoring the hydraulic fracturing of a subsurface formation |
May. 22, 1990 |
| 4916946 |
Method of flowing a high viscosity substance through a conduit at a low apparent viscosity |
Apr. 17, 1990 |
| 4867241 |
Limited entry, multiple fracturing from deviated wellbores |
Sep. 19, 1989 |
| 4858130 |
Estimation of hydraulic fracture geometry from pumping pressure measurements |
Aug. 15, 1989 |
| 4832121 |
Methods for monitoring temperature-vs-depth characteristics in a borehole during and after hydraulic fracture treatments |
May. 23, 1989 |
| 4828051 |
Method and apparatus for data transmission in a well using a flexible line with stiffener |
May. 9, 1989 |
| 4800753 |
Geomechanical probe for a drilling well |
Jan. 31, 1989 |
| 4744245 |
Acoustic measurements in rock formations for determining fracture orientation |
May. 17, 1988 |
| 4667738 |
Oil and gas production enhancement using electrical means |
May. 26, 1987 |
| 4660638 |
Downhole recorder for use in wells |
Apr. 28, 1987 |
| 4660415 |
Method for determining at least one magnitude characteristic of a geological formation |
Apr. 28, 1987 |
| 4630868 |
Process for solution mining |
Dec. 23, 1986 |
| 4524434 |
Method for determining the azimuth and length of a deep vertical fracture in the earth |
Jun. 18, 1985 |
| 4022275 |
Methods of use of sonic wave generators and modulators within subsurface fluid containing strata or formations |
May. 10, 1977 |
| 4013123 |
Hydraulically actuated wire line apparatus |
Mar. 22, 1977 |
| 4005750 |
Method for selectively orienting induced fractures in subterranean earth formations |
Feb. 1, 1977 |
| 3960212 |
Method of obtaining impression information from a well |
Jun. 1, 1976 |
| 3960215 |
Method and apparatus for performing sequentially timed operations in a well |
Jun. 1, 1976 |
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