Halliburton Energy Services, Inc.

Charles M MacPhail

Cyrus A Irani

Vincent Paul Zeller

Paul David Ringgenberg

Timothy R Carlson

Don H Perkins

Scott Brown

Kevin R Manke

Adam Davis Wright

Harold Wayne Nivens

Ricardo R Maldonado

Samuel Bianco

A method of servicing a wellbore includes arranging an assembly within a lubricator coupled to a tree, the assembly including at least one downhole tool and a signal receiver subassembly. An acoustic signal is communicated to the signal receiver subassembly while the assembly is arranged within the lubricator. The acoustic signal is perceived with a transceiver communicably coupled to the signal receiver subassembly and thereby activates a timer communicably coupled to the signal receiver subassembly while the assembly is arranged within the lubricator. The assembly is introduced into the wellbore and advanced until reaching a target depth. A trigger signal is them transmitted with the signal receiver subassembly to the at least one downhole tool to actuate the at least one downhole tool.

System and method for triggering a downhole tool

Disclosed are systems and method for servicing a wellbore and otherwise triggering a downhole tool. One method includes arranging an assembly within a lubricator coupled to a tree, the assembly including at least one downhole tool and a signal receiver subassembly, communicating a signal to the signal receiver subassembly while the assembly is arranged within the lubricator, the signal being configured to activate a timer communicably coupled to the signal receiver subassembly, introducing the assembly into the wellbore and advancing the assembly until reaching a target depth, and transmitting a trigger signal with the signal receiver subassembly to the at least one downhole tool and thereby actuating the at least one downhole tool.

Disclosed are systems and method for servicing a wellbore and otherwise triggering a downhole tool. One method includes arranging an assembly within a lubricator coupled to a tree. The assembly includes at least one downhole tool and a signal receiver subassembly. A signal is communicated to the signal receiver subassembly before the assembly is introduced into the wellbore, the signal being configured to activate a timer. The assembly is then introduced into the wellbore and advanced until reaching a target depth. At the target depth, a trigger signal is transmitted to the at least one downhole tool using the signal receiver subassembly, the trigger signal being configured to initiate actuation of the at least one downhole tool.

An apparatus () for obtaining a plurality of fluid samples in a subterranean well includes a carrier (), a plurality of sampling chambers () and a pressure source () of the apparatus (). The carrier () has a longitudinally extending internal fluid passageway () and a plurality of externally disposed chamber receiving slots (). Each of sampling chamber () is positioned in one of the chamber receiving slots () of the carrier (). The pressure source () is selectively in fluid communication with each of the sampling chambers () such that the pressure source () is operable to pressurize each of the sampling chambers () after the samples are obtained.

Single phase fluid sampling apparatus and method for use of same

An apparatus for actuating a pressure delivery system of a fluid sampler. The apparatus includes a housing () having a longitudinal passageway and defining first and second chambers (). A piston () is disposed within the longitudinal passageway between the first and second chambers (). A valving assembly () is disposed within the longitudinal passageway. The valving assembly () is operable to selectively prevent communication of pressure from a pressure source of the fluid sampler to the second chamber (). The valving assembly () is actuated responsive to an increase in pressure in the first chamber () which longitudinally displaces the piston () toward the valving assembly () until at least a portion of the piston () contacts the valving assembly (), thereby releasing pressure from the pressure source into the second chamber () and longitudinally displacing the piston () away from the valving assembly ().

Apparatus for actuating a pressure delivery system of a fluid sampler

Method for actuating a pressure delivery system of a fluid sampler

A fluid sampler operable for taking at least one fluid sample in a subterranean well and associated methods. A fluid sampling method includes the steps of disposing a fluid sampler at a first target location in the well, receiving the fluid sample into at least a first sample chamber of the fluid sampler, pressurizing the fluid sample in the first sample chamber using a pressure source of the fluid sampler, retrieving the fluid sampler to a surface location, isolating the fluid sample in the first sample chamber from the pressure source of the fluid sampler and supercharging the fluid sample in the first sample chamber using a pressure source on the surface.

An apparatus () for obtaining a plurality of fluid samples in a subterranean well includes a carrier (), a plurality of sampling chambers () and a pressure source () of the apparatus (). The carrier () has a longitudinally extending internal fluid passageway () providing a substantially smooth bore therethrough and a plurality of chamber receiving slots (). Each of sampling chamber () is positioned in one of the chamber receiving slots () of the carrier (). The pressure source () is selectively in fluid communication with each of the sampling chambers () such that the pressure source () is operable to pressurize each of the sampling chambers () after the samples are obtained.

An apparatus () for obtaining a plurality of fluid samples in a subterranean well includes a carrier (), a plurality of sampling chambers () and a pressure source (). The carrier () has a longitudinally extending internal fluid passageway () and a plurality of externally disposed chamber receiving slots (). Each of sampling chamber () is positioned in one of the chamber receiving slots () of the carrier (). The pressure source () is selectively in fluid communication with each of the sampling chambers () such that the pressure source () is operable to pressurize each of the sampling chambers (). after the samples are obtained.

Systems and methods particularly suitable for open hole formation testing are provided. In a described embodiment, a method of performing a test on a formation intersected by a wellbore includes the steps of flowing fluid into an apparatus from the formation, displacing a fluid barrier of the apparatus in one direction, flowing the formation fluid out of the apparatus and back into the formation by applying pressure to the apparatus, and displacing the fluid barrier in an opposite direction.

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Little Elm, TX, United States of America

Charles M MacPhail