Other

Precision Energy Services, Inc.

Oilfield Equipment Development Center Limited

Computalog USA Inc.

Magnetic Pumping Solutions

Fiorentini USA Inc.

Weatherford/lamb, Inc.

Sondex Limited

Magenetic Pumping Solutions

Premier Business Solutions, Ltd.

Oilfield Equpiment Development Center Limited

Michael Yuratich

Margaret C Waid

Alan Thomas Fraser

Georgios Orfanoudakis

Bryan William Kasperski

Trevor Alan Kopecky

Steven Charles Kennedy

Paolo Nardi

Philip Powell

Mohamed Hashem

Adam Esberger

Andrew David Jewell

Michael King Russell

Robert Jones

Gordon D Lamb

Michael Stuart Hazell

William Peter Stuart-Bruges

Guy Harvey Mason

Frank B Bardsley

Paul Ryder

Thomas Lempriere Searight

Andrew D Jewell

David Dalby

Ramez Guindi

Philip Anton Strong

Timothy George Boxell

Mohammed Hashem

Andrew Jewell

An apparatus and method for sensing a rotational parameter of a rotating member of a downhole pumping system. The apparatus is capable of detecting motor rotation and pump operating conditions and includes control systems for methods utilizing the rotational parameters to control the operation of the downhole pumping system.

Method and system for monitoring moving elements

Apparatus and methods for controlling electric motors are disclosed. In addition, such apparatus and methods for starting and controlling electric motors and controlling electric motors switching from a PWM control to six step method of control. Methods and apparatus are further included to provide for robust control of an electric motor operating in a six-step running mode.

Apparatus and methods to control electric motors

A 'safe grounding apparatus' (SGA) for safely grounding or neutralizing the electrical conductors for permanent magnet motor (PMM) powered artificial lift systems and methods of practicing the same are disclosed. The SGA of the present invention ameliorates some of the dangers associated with PMM's. Methods of shorting, grounding, testing and monitoring the electrical conductors of a permanent magnet motor in order to safely manipulate the conductors are also disclosed.

Methods and apparatus for rendering electrical cables safe

Embodiments are disclosed for the control of downhole pumping systems that can perform a controlled draining operation of the downhole pumping system in the event of an interruption of a drive. Such embodiments include a zero power factor control, a motor braking, and a pumping down operation. The apparatus and the methods disclosed can include an independent piece of equipment interlocked with a variable speed drive, and installed at the primary or secondary of the step-up transformer where used. However, integration within other pieces of equipment, in particular the variable speed drive, and its control by the latter is also contemplated. Also disclosed is a transformer having a tap changer that includes a plurality of taps and contacts including shorting contacts, open contacts and auxiliary contacts.

Method and system for controlling downhole pumping systems

SOGI based apparatus and methods for providing balanced three phase output signals free of harmonics, DC components and imbalance present in the input signals, are disclosed. In addition, such apparatus and methods for providing corresponding output signals which are drift-free integrals of the input signals and which signals may enable the control of a power electronics inverter for improved and robust grid power injection and for motor control are disclosed.

SOGI-based PLL for grid connection and motor control

Apparatus and methods for performing optical analyses in a harsh environment are disclosed. Some of the systems and methods of the present disclosure include fluorescence, absorption, and reflectance detection using a drum spectrometer. Other systems and methods of the present disclosure include a measurement channel and a parallel reference channel concurrently filtering optical signals.

Optical fluid analyzer

Methods and systems for measuring neutron sigma of downhole reservoir as a function of time for a predetermined testing volume are disclosed. The methods and systems of the present invention analyze the testing volume while maintaining the formation in the testing volume in an unchanged and undamaged state and while dynamically flowing fluids in and out of the testing volume. The systems and methods of the present invention are especially important in determining petrophysical information about the reservoir as well as the in-situ effect of substances on enhanced oil recovery.

Systems and methods for monitoring changes in a formation while dynamically flowing fluids

Methods and systems for collecting high quality reservoir samples and determining producibility of those samples are disclosed that provide for a non-stop and no shock sampling process. The systems and methods of the present disclosure are especially important collecting samples of reservoir samples in a manner that most closely resembles production fluids and maintains the reservoir at or near the draw down pressure during the pumping and sampling processes.

Apparatus and methods for tools for collecting high quality reservoir samples

An apparatus and method for controlling a downhole pumping system is disclosed. The apparatus is capable of detecting motor operating conditions and pump operating conditions thereby and includes control systems for utilizing the motor operating conditions to control the operation of the downhole pumping system.

Methods and systems for collecting high quality reservoir samples are disclosed. The systems and methods of the present invention are especially important in collecting samples of reservoir fluids in a manner that most closely resembles production fluids. The systems include an upper shoe and a lower shoe that are asymmetrically spaced along the axial length of probe module with respect to a sampling probe to allow for the placement of a component compartment proximate the probe. Sensors or modules for testing or analyzing reservoir fluids are positioned within the compartment.

Apparatus and methods for high quality analysis of reservoir fluids

A double piston positive displacement pumping system and methods are disclosed. The pump has a working bore with a first piston defining a pair of working chambers and a separate pumping bore having a second piston defining a pair of pumping chambers. The pistons are coupled together by a connecting rod such that the translate together axially within their respective bore. Working fluid is controllably introduced into and out of the working chambers to force the axial translation of the piston pair and wherein a process fluid is drawn into and out of the pumping chambers. The working fluid and the process fluid are confined to their respective bores and pistons.

Formation evaluation pumping system and method

Methods and systems for delivering EOR substances and determining their efficiency in real time, or near real time, are disclosed. The systems and methods of the present disclosure are especially important in determining petrophysical information about the reservoir as well as the in-situ effect of substances on enhanced oil recovery.

Apparatus and methods for evaluating formations

Permanent magnet motor (PMM) powered artificial lift apparatus and methods of practicing the same. The PMM artificial lift apparatus provides a method for the use of permanent magnet motors below perforations, and which may also be used in conditions of low flow rate or extremely high viscosity above perforations without any active cooling schemes.

Growing community of inventors

Hamble, United Kingdom

Michael Yuratich