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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 for...
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...
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 selectively...
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. Formation...
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 as...
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 or...
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 diameter...
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...
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 - 25 out of 25