135420 ⎘
Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors Coating, freezing, consolidating cores ; Recovering uncontaminated cores or cores at formation pressure
PRESSURE-PRESERVED CORING TOOL, USE METHOD, AND RESERVOIR ANALYSIS METHOD
#2PRESSURIZED RESERVOIR CORE SAMPLE TRANSFER TOOL SYSTEM
#3ROBUST DOWNHOLE PUMP BARREL
#4DETERMINING THRESHOLD HYDRAULIC GRADIENT FOR CAPROCKS ASSOCIATED WITH GEOLOGICAL CO2 AND H2 STORAGE
#5METHOD FOR TAKING A CORE SAMPLE OF A FORMATION
#6PRESSURIZED RESERVOIR CORE SAMPLE TRANSFER TOOL SYSTEM
#7Method for taking a core sample of a formation
#8Core barrel sealing structure capable of increasing sealing-specific pressure
#9Drilling fluid channel structure of core drilling rig
#10System for in-situ retained coring of rock sample
#11Device and method for transferring and storing a deep in-situ core in a sealed and pressure-maintaining manner
#12Core retrieving tool
#13Long-distance core drilling method suitable for a horizontal geological core drilling rig
#14Method for coring that allows the preservation of in-situ soluble salt cements within subterranean rocks
#15Pressurized reservoir core sample transfer tool system
#16Analyzing fluids in core samples contained in pressurized NMR core holders with 1H and 19F NMR
#17Method for preparing artificial core to simulate fluvial sedimentary reservoir
#18Deep rock in-situ active thermal-insulation coring device and thermal-insulation coring method thereof
#19Natural gas hydrate rotary pressure-retaining corer
#20Undisturbed sampler for granular soil
#21Natural gas hydrate pressure-retaining corer
#22Apparatus and method for in-situ stabilization of unconsolidated sediment in core samples
#23Apparatus and method for in-situ stabilization of unconsolidated sediment in core samples
#24Inner barrel assembly for recovery of reservoir fluids from a core sample
#25Core sampler with impregnation windows and method for stabilization of unconsolidated sediment in core samples
#26Apparatus and method for in-situ stabilization of unconsolidated sediment in core samples
#27Methods and apparatus for collecting and preserving core samples from a reservoir
#28Analyzing fluids in core samples contained in pressurized NMR core holders with 1H and 19F NMR
#29Effective porosity determination for tight gas formations
#30Tight gas formation pressure determination method
#31Methods and apparatus for collecting and preserving core samples from a reservoir
#32Methods and apparatus for collecting and preserving core samples from a reservoir
#33Cryogenic core collection
#34Methods and apparatus for collecting and preserving core samples from a reservoir
#35Sponge pressure equalization system
#36Coring tools exhibiting reduced rotational eccentricity and related methods
#37Intelligent coring system
#38Pressure compensation modules for coring tools, coring tools including pressure compensation modules, and related methods
#39Coring tools and methods for making coring tools and procuring core samples
#40Apparatus and method for storing core samples at high pressure
#41Pressure core barrel for retention of core fluids and related method
#42Core sampling apparatus and container transfer apparatus
#43Device and method for extracting a sample while maintaining a pressure that is present at the sample extraction location
#44Device and method for removing a supernatant of a liquid sample, and use of a valve device having a soluble membrane
#45Obtaining and evaluating downhole samples with a coring tool
#46Sample Encapsulation and Cache Device and Methods
#47Small core generation and analysis at-bit as LWD tool
#48Small core generation and analysis at-bit as LWD tool
#49Obtaining and evaluating downhole samples with a coring tool
#50Valve, core sampling apparatus and method
#51Sampling method and sampler for gas hydrates by hole bottom freezing
#52Core stabilization
#53Obtaining and evaluating downhole samples with a coring tool
#54Sealed core sample barrel
#55Apparatus and methods for sponge coring
#56Apparatus and methods for sponge coring
#57Method of coring a crustal core sample and flow-able coating material for coring a crustal core sample
#58Apparatus and methods for sponge coring