Sign up
Matches 1 - 27 out of 27


Match Document Document Title
US20140262246 Method for controlling well bore pressure based on model prediction control theory and systems theory  
A method for controlling well bore pressure based on model prediction control theory and systems theory, which belongs to the field of well bore pressure control technique, includes: detecting a...
US20110308793 HIGH INTEGRITY HANGER AND SEAL FOR CASING  
Casing segments and an expansion cone are positioned and cemented within a new section of a wellbore with a lower casing segment in an overlapping relationship with an upper casing segment. The...
US20140000876 SAGD CONTROL IN LEAKY RESERVOIRS  
The use of a water recycle ratio for controlling at least one Steam Assisted Gravity Drainage (SAGD) parameter in a leaky bitumen reservoir. Further, a process to control a steam injection rate...
US20130160998 Lost Circulation Materials and Methods of Using Same  
Compositions of lost circulation materials are provided that are useful for identifying the location of fluid loss in a wellbore. The compositions include additives which enhance a property of the...
US20150013971 TEST PACKER AND METHOD FOR USE  
A downhole tool having a throughbore is disclosed for use in a tubular located in a wellbore. The downhole tool has a sealing element configured to seal an annulus between the downhole tool and an...
US20100084130 VALVE DEVICE AND ASSOCIATED METHODS OF SELECTIVELY COMMUNICATING BETWEEN AN INTERIOR AND AN EXTERIOR OF A TUBULAR STRING  
A valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string. A valve device includes an openable and closable flowpath for...
US20130299165 METHODS AND SYSTEMS FOR LONG-TERM MONITORING OF A WELL SYSTEM DURING ABANDONMENT  
For long-term abandonment and monitoring of well systems, a series of barriers are formed within a formation and within a casing of a well to prevent materials from leaking from the well....
US20090101340 TECHNIQUE AND APPARATUS TO PERFORM A LEAK OFF TEST IN A WELL  
A technique that is usable with a well includes deploying at least one sensing device in the well and during a leak off test, communicating a signal that is indicative of a measurement that is...
US20140116688 DOWNHOLE WATER DETECTION SYSTEM AND METHOD  
A downhole water detection system configured to detect presence of water in an underground location. The system includes a chemical sensor disposable within a tubular in a borehole; and a first...
US20130112406 Methods for Characterizing Asphaltene Instability in Reservoir Fluids  
A methodology for reservoir understanding that performs investigation of asphaltene instability as a function of location in a reservoir of interest. In the preferred embodiment, results derived...
US20100089128 APPARATUS FOR LEAKAGE TESTING AND/OR PRESSURE TESTING OF A PORTION OF A PIPE AND ALSO A METHOD FOR USE OF SAME  
The present invention relates to an apparatus (1) for leakage testing and/or pressure testing a portion of a pipe (7), the apparatus (1) including at least two spaced-apart packer elements (3, 5)...
US20110259582 FLUID SYSTEM COMPONENT WITH SACRIFICIAL ELEMENT  
A system for pressure testing the joints and walls of a production pipe includes a fluid system component that can be disposed at a first end of the production pipe so as to seal off the first end...
US20140190687 LEAK DETECTION IN CIRCULATED FLUID SYSTEMS FOR HEATING SUBSURFACE FORMATIONS  
A method of treating a subsurface formation includes circulating at least one molten salt through at least one conduit of a conduit-in-conduit heater located in the formation to heat hydrocarbons...
US20090301778 METHOD AND SYSTEM FOR TRACKING LUBRICANT LEAKAGE FROM DOWNHOLE DRILLING EQUIPMENT  
A method of detecting leakage from a drilling tool comprising putting at least one transmitter (110) in lubricant within the tool (26) and scanning for the transmitter (120) with a receiver (120)...
US20140102696 Supported Connection Assembly  
A wellbore servicing operation connection system comprising a first fluid conduit, a second fluid conduit, wherein each of the first fluid conduit and the second fluid conduit is fluidicly...
US20120037361 ARRANGEMENT AND METHOD FOR DETECTING FLUID INFLUX AND/OR LOSS IN A WELL BORE  
An arrangement and method for more accurately detecting well bore fluid kicks and/or losses by coupling a fluid flow measurement device to a substantially vertical tubular, such as a bell nipple...
US20080302530 Apparatus and Method for Engaging a Tubular  
An embodiment of the present invention comprises an apparatus for engaging with an outside diameter of a tubular comprises a device body having an internal surface that defines an internal...
US20140027113 SYSTEMS AND METHODS FOR REDUCING PVT EFFECTS DURING PRESSURE TESTING OF A WELLBORE FLUID CONTAINMENT SYSTEM  
A system for pressure testing a component of a well system includes a tubular member extending into a wellbore. The tubular member has a fluid passageway and one or more nodes that are configured...
US20080236816 Method for detecting fluid leakage fro a subterranean formation  
A method for the detection of a carbon dioxide leak from a plugged well extending from a surface of the earth to penetrate a subterranean formation which contains carbon dioxide by logging a...
US20130341011 DEBRIS RESISTANT INTERNAL TUBULAR TESTING SYSTEM  
A tubular string testing system for use with a tubular string having a longitudinally extending flow passage can include a valve which selectively permits and prevents fluid communication between...
US20130081806 DEBRIS RESISTANT INTERNAL TUBULAR TESTING SYSTEM  
A tubular string testing system for use with a tubular string having a longitudinally extending flow passage can include a valve which selectively permits and prevents fluid communication between...
US20090114386 SYSTEMS AND METHODS FOR DISTRIBUTED INTERFEROMETRIC ACOUSTIC MONITORING  
This disclosure relates in general to a method and system for monitoring a conduit, a wellbore or a reservoir associated with hydrocarbon production or transportation and/or carbon dioxide...
US20060065400 Method and apparatus for stimulating a subterranean formation using liquefied natural gas  
Liquefied natural gas is used as a fracturing fluid to stimulate production of hydrocarbons from and/or injectability of fluids into subterranean formations. Proppants may be blended with the LNG...
US20110220349 METHODS FOR MINIMIZING FLUID LOSS TO AND DETERMINING THE LOCATIONS OF LOST CIRCULATION ZONES  
A method for determining a location of a lost circulation zone in a wellbore having a first wellbore fluid therein that includes allowing loss of the first wellbore fluid to the lost circulation...
US20080134775 APPARATUS AND METHODS FOR OBTAINING MEASUREMENTS BELOW BOTTOM SEALING ELEMENTS OF A STRADDLE TOOL  
The present invention provides methods and apparatus for obtaining downhole well pressure during wellbore operations. One method comprises providing a well intervention tool comprising a straddle...
US20140338896 Determining Whether a Wellbore Sealing Operation Has Been Performed Correctly  
The invention relates to methods of determining whether a wellbore sealing operation has been performed correctly, and to wellbore-lining tubing which facilitates the determination of whether a...
US20130255940 MANIPULATION OF MULTI-COMPONENT GEOPHONE DATA TO IDENTIFY DOWNHOLE CONDITIONS  
Methods and apparatus for using multi-component geophones and/or multi-component geophone arrays to measure flow-induced acoustic energy produced in wellbores are provided. With the use of the...
Matches 1 - 27 out of 27