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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7938199 | Measurement while drilling tool with interconnect assembly An embodiment of the apparatus includes a first drill collar section having an outer surface, an MWD tool for interaction with an earth formation coupled to the first drill collar section, the MWD tool including a first fluid line and a first electrical conduit, a s... | 05/10/2011 |
| 7934569 | Core stabilization A method of stabilizing a core sample is described, and an agent for use in the stabilising method. The method involves injecting a foam around a core sample in a cylindrical liner. The foam comprises mixture of a first pressurized polymerisable-based fluid and a se... | 05/03/2011 |
| 7631705 | Enhanced screen auger sampling system A removable plug and collar for a hollow stem screened auger and a method of collecting water samples using the plug and collar. The plug has an outer threaded surface that is threaded in a first direction. The top of the plug has an internal threaded cavity that is... | 12/15/2009 |
| 7438135 | Method of suspending, completing and working over a well Methods are provided in which reliance is placed on a first and second barrier respectively positioned in a well 10 to provide well control during well suspension, completion and/or workover operations. Each of the barriers is below the depth of the lowermost... | 10/21/2008 |
| 7410011 | Method to determine the concentration of deuterium oxide in a subterranean formation The extent of invasion of a water-based drilling fluid into a formation may be determined using at least two tracers where one is deuterium oxide and the other is a water-soluble tracer. One such method includes introducing a drilling fluid having an aqueous phase a... | 08/12/2008 |
| 7395879 | MWD formation tester An apparatus including a drill collar having an outer surface, an assembly for interaction with an earth formation coupled to the drill collar, the assembly including a first member to extend beyond the drill collar outer surface and a second member to extend beyond... | 07/08/2008 |
| 7367394 | Formation evaluation while drilling A sampling while drilling tool positionable in a wellbore penetrating a subterranean formation is provided. The tool includes a drill collar, at least one sample chamber, at least one flowline and at least one cover. The drill collar is operatively connectable to a ... | 05/06/2008 |
| 7347281 | Coring tubular and method for reducing contamination and processing speed of a core sample Disclosed herein is a coring tubular. The coring tubular has a body, at least one opening hole radially oriented in the tubular body and a parting line in the tubular body. Further disclosed herein is a method for reducing contamination of a core sample. The method ... | 03/25/2008 |
| 7347284 | Apparatus and method for hard rock sidewall coring of a borehole The present invention is directed to an apparatus and method for coring a borehole in a hard rock sidewall of a well bore in a subterranean formation for testing purposes. The apparatus includes a drive motor for operation down hole, a flexible drive shaft coupled t... | 03/25/2008 |
| 7231991 | Apparatus and methods for sponge coring A sponge core barrel is disclosed for use in performing sponge coring and methods of assembling the sponge core barrel, as well as methods of performing sponge coring. The sponge core barrel includes an outer barrel assembly, a core bit secured to a lower end thereo... | 06/19/2007 |
| 7222668 | Sample extraction system for boreholes For use in drawing samples of e.g water from a well. The sampling pipe is formed as an extrusion in polyethylene. The profile includes three equi-spaced channels. The profile, being triangulated, is rigid and resistant to buckling, which allows the sampling pipe to ... | 05/29/2007 |
| 7204309 | MWD formation tester A formation testing tool is described herein, including a formation probe assembly having an extendable sampling probe surrounded by a cylindrical sleeve. The sleeve is configured to engage a metal skirt having an elastomeric seal pad coupled thereto. The skirt and ... | 04/17/2007 |
| 7198105 | Apparatus and method for controlling the pressure of fluid within a sample chamber A formation testing tool and method for providing pressure controlled sampling is provided. A flow line delivers formation fluid to a sample chamber in the testing tool. A first valve controls the flow of formation fluid from the flow line to the sample chamber. A p... | 04/03/2007 |
| 7195063 | Downhole sampling apparatus and method for using same A method and apparatus for sampling formation fluid includes drawing formation fluid from the subterranean formation into the downhole tool and collecting the formation fluid in a sample chamber. An exit flow line is operatively connected to the sample chamber for s... | 03/27/2007 |
| 7178391 | Insertion tube methods and apparatus A drill string comprises a first drill string member having a male end; and a second drill string member having a female end configured to be joined to the male end of the first drill string member, the male end having a threaded portion including generally square t... | 02/20/2007 |
| 7178591 | Apparatus and method for formation evaluation Techniques for reduced contamination formation evaluation are provided. The techniques relate to drawing fluid into a downhole tool positionable in a wellbore penetrating a subterranean formation having a virgin fluid and a contaminated fluid therein. Fluid is drawn... | 02/20/2007 |
| 7162918 | Method and apparatus for downhole fluid characterization using flexural mechanical resonators The present invention provides a downhole method and apparatus using a flexural mechanical resonator, for example, a tuning fork to provide real-time direct measurements and estimates of the viscosity, density and dielectric constant of formation fluid or filtrate i... | 01/16/2007 |
| 7152466 | Methods and apparatus for rapidly measuring pressure in earth formations Methods and apparatus for rapidly measuring pressure in earth formations are disclosed. According to a first embodiment of the apparatus, a probe is provided with a movable piston having a sensor built into the piston. According to a second embodiment of the apparat... | 12/26/2006 |
| 7140436 | Apparatus and method for controlling the pressure of fluid within a sample chamber A formation testing tool and method for providing pressure controlled sampling is provided. A flow line delivers formation fluid to a sample chamber in the testing tool. A first valve controls the flow of formation fluid from the flow line to the sample chamber. A p... | 11/28/2006 |
| 7124841 | Crustal core sampler and method of coring crustal core sample using the same Disclosed herein are a crustal core sampler, by which a crustal core sample can be cored in a state coated with a flow-able coating material free of any contamination, and a method of coring a core sample using this crustal core sampler. The crustal core sampler com... | 10/24/2006 |
| 7124819 | Downhole fluid pumping apparatus and method A downhole fluid pump including a pump chamber, and a piston disposed in the pump chamber so that the piston will move in one selected from a charge stroke and a discharge stroke when the piston is exposed to a differential pressure. The downhole fluid pump may form... | 10/24/2006 |
| 7111685 | Downhole sampling apparatus and method A method and apparatus for reducing debris in a perforation in a wellbore extending from the wellbore into a subterranean formations is provided. A housing is positioned in the wellbore, and an arm is extended therefrom. One or more plugs are positionable in the per... | 09/26/2006 |
| 7096976 | Drilling formation tester, apparatus and methods of testing and monitoring status of tester An integrated drilling and evaluation system includes a drill string having an interior portion and a drill bit, carried on a lower end, that includes ports for communicating fluid between the interior portion of the drill string and an uncased well bore. A packer, ... | 08/29/2006 |
| 7093676 | Apparatus and methods for sponge coring A sponge core barrel for use in performing sponge coring and methods of assembling the sponge core barrel, as well as methods of performing sponge coring. The sponge core barrel includes an outer barrel assembly, a core bit secured to a lower end thereof, and an inn... | 08/22/2006 |
| 7093674 | Drilling formation tester, apparatus and methods of testing and monitoring status of tester An integrated drilling and evaluation system includes a drill string having an interior portion and a drill bit, carried on a lower end, that includes ports for communicating fluid between the interior portion of the drill string and an uncased well bore. A packer, ... | 08/22/2006 |
| 7090012 | Method and apparatus for subsurface fluid sampling The apparatuses and methods herein relate to techniques for extracting fluid from a subsurface formation. A downhole sampling tool is provided with a probe having an internal wall capable of selectively diverting virgin fluids into virgin flow channels for sampling,... | 08/15/2006 |
| 7086473 | Submersible pumping system with sealing device A submersible pumping system includes a pump assembly that is connected to a motor assembly. The pump assembly includes a pump intake having an intake hole, a pump housing connected to the pump intake and a pump discharge head connected to the pump housing. An intak... | 08/08/2006 |
| 7083009 | Pressure controlled fluid sampling apparatus and method A formation fluid sampling tool including at least one sample tank mounted in a tool collar. The tool collar includes a through bore and is disposed to be operatively coupled with a drill string such that each sample tank may receive a correspondingly preselected fo... | 08/01/2006 |
| 7066281 | Formation fluid sampling and hydraulic testing tool and packer assembly therefor A drilling apparatus that includes a formation fluid sampling and hydraulic testing tool for a drilling apparatus that includes a drilling string comprised of a drilling pipe and a drilling bit is provided. The tool is mounted on a string that comprises from top to ... | 06/27/2006 |
| 7062958 | Receptacle for sampling downhole A receptacle (10) for use in collecting samples down a well bore (14) is provided, the receptacle comprising a plurality of interconnecting modules (22, 24, 26, 30, 32, 34). A main chamber (22) is capable of holding a sample, and sensors ... | 06/20/2006 |
| 7004252 | Multiple zone testing system A method and system for drillstem testing multiple zones in a well with a single testing trip into the well. A multiple zone tester is landed in the lower completion to form separate controllable flow paths from each of the zones. The multiple zone testing system fa... | 02/28/2006 |
| 6976386 | Tensiometer methods A method for collecting data regarding a matric potential of a media includes providing a tensiometer having a stainless steel tensiometer casing, the stainless steel tensiometer casing comprising a tip portion which includes a wetted porous stainless steel membrane... | 12/20/2005 |
| 6964301 | Method and apparatus for subsurface fluid sampling The apparatuses and methods herein relate to techniques for extracting fluid from a subsurface formation. A downhole sampling tool is provided with a probe having an internal wall capable of selectively diverting virgin fluids into virgin flow channels for sampling,... | 11/15/2005 |
| 6941804 | Determining the PVT properties of a hydrocarbon reservoir fluid A method of determining an in situ PVT property of a hydrocarbon reservoir fluid that is present in a hydrocarbon-bearing formation layer traversed by a borehole, which method involves the steps of: a) calculating along the hydroca... | 09/13/2005 |
| 6877559 | Retrieving a sample of formation fluid in as cased hole A method for retrieving a formation fluid sample through a cased borehole utilizing a sampling tool. Sampling tool straddle packers are set about a first set of perforations and annular fluid is drained from the isolated zone, through a central conduit in the tool a... | 04/12/2005 |
| 6837314 | Sub apparatus with exchangeable modules and associated method The present invention is an apparatus and method for use in a well borehole drilled into a formation. The apparatus comprises a work string disposed in the borehole. The work string includes at least one modular body portion having at least one receptacle. A modular... | 01/04/2005 |
| 6826972 | Lysimeter methods and apparatus A suction lysimeter for sampling subsurface liquids includes a lysimeter casing having a drive portion, a reservoir portion, and a tip portion, the tip portion including a membrane through which subsurface liquids may be sampled; a fluid conduit coupled in fluid flo... | 12/07/2004 |
| 6763884 | Method for cleaning and sealing a well borehole portion for formation evaluation A borehole wall cleaning apparatus and method for obtaining an improved seal between a fluid sampling device and a portion of the borehole wall. Clean drilling fluid is pumped into a drilling tool using a mud pump. A fluid diverter in the tool diverts all or part of... | 07/20/2004 |
| 6758274 | Sample extraction system for boreholes The use of extruded plastic continuous-multi-channel (CMC) tubing for conveying water samples from different depths up out of boreholes is enhanced by the compressed-grommet sealing system as described. The rubber grommet is placed inside one of the many conduits of... | 07/06/2004 |
| 6745835 | Method and apparatus for pressure controlled downhole sampling A method for sampling a subsurface formation includes positioning a formation testing tool in a borehole having borehole fluid with a pressure less than formation pressure such that a pressure differential exists between the borehole and the formation. The method al... | 06/08/2004 |
