Abstract: A mixing assembly comprises a tubular member and a spherical body disposed within a portion of the tubular member. The spherical body has a central volume, and a wall defined by an outside diameter and an inside diameter. The spherical body includes an inlet side and an outlet side, and a plurality of channels formed in each of inlet side and outlet side. The channels are oriented toward a center of the central volume.

Abstract: Systems and methods for downhole formation testing based on the use of one or more elongated sealing pads disposed in various orientations capable of sealing off and collecting or injecting fluids from elongated portions along the surface of a borehole. The various orientations and amount of extension of each sealing pad can increase the flow area by collecting fluids from an extended portion along the surface of a wellbore, which is likely to straddle one or more layers in laminated or fractured formations. Various designs and arrangements for use with a fluid tester, which may be part of a modular fluid tool, are disclosed in accordance with different embodiments.

Abstract: A mixing assembly comprises a tubular member and a spherical body disposed within a portion of the tubular member. The spherical body has a central volume, and a wall defined by an outside diameter and an inside diameter. The spherical body includes an inlet side and an outlet side, and a plurality of channels formed in each of inlet side and outlet side. The channels are oriented toward a center of the central volume.

Abstract: A check valve including a clevis, a hinge pin, a hinge configured to be rotatably coupled to the clevis by the hinge pin, and a disc configured to be detachably coupled to the hinge. The hinge includes a first hinge member having a male interlocking feature and a second hinge member defining a female interlocking feature corresponding to the male interlocking feature. The second hinge member is configured to be detachably coupled to the first hinge member. When the first hinge member is coupled to the second hinge member, the male interlocking feature of the first hinge member is received in the female interlocking feature defined in the second hinge member to prevent angular separation of the first and second hinge members about the hinge pin. The first and second hinge members may define a non-circular opening configured to prevent rotation of the disc relative to the hinge.

Abstract: Apparatus and methods for downhole formation testing including use of a probe having inner and outer channels adapted to collect or inject injecting fluids from or to a formation accessed by a borehole. The probe straddles one or more layers in laminated or fractured formations and uses the inner channels to collect fluid.

Abstract: Systems and methods for downhole formation testing based on the use of one or more elongated sealing pads disposed in various orientations capable of sealing off and collecting or injecting fluids from elongated portions along the surface of a borehole. The various orientations and amount of extension of each sealing pad can increase the flow area by collecting fluids from an extended portion along the surface of a wellbore, which is likely to straddle one or more layers in laminated or fractured formations. Various designs and arrangements for use with a fluid tester, which may be part of a modular fluid tool, are disclosed in accordance with different embodiments.

Abstract: Apparatus and methods for downhole formation testing including use of a probe having inner and outer channels adapted to collect or inject injecting fluids from or to a formation accessed by a borehole. The probe straddles one or more layers in laminated or fractured formations and uses the inner channels to collect fluid.

Abstract: An method for analyzing a fluid comprises collecting a sample of the fluid and exposing the fluid sample to a light of a predetermined wavelength at a predetermined modulation frequency. An acoustic signal caused by the interaction of the light and the fluid sample is sensed, and the sensed acoustic signal is related to at least one component of the fluid.

Abstract: Apparatus and methods for downhole formation testing including use of a probe having inner and outer channels adapted to collect or inject injecting fluids from or to a formation accessed by a borehole. The probe straddles one or more layers in laminated or fractured formations and uses the inner channels to collect fluid.

Abstract: An apparatus for analyzing a fluid comprises a chamber to receive a fluid sample. A pump reduces a pressure in the chamber below a vapor pressure of a component of the fluid sample. At least one light system provides a light at a predetermined modulation frequency to the fluid sample. An acoustic sensor detects an acoustic signal caused by the interaction of the light and the fluid sample. A controller relates the acoustic signal to at least one chemical component of the fluid sample.

Abstract: Systems and methods for downhole formation testing based on the use of one or more elongated sealing pads capable of sealing off and collecting or injecting fluids from elongated portions along the surface of a borehole. The modified sealing pads increase the flow area by collecting fluids from an extended portion along the surface of a borehole, which is likely to straddle one or more layers in laminated or fractured formations. A tester device using the elongated sealing pads can be deployed and withdrawn using an extendible element pressing the pads to the borehole. Various designs and arrangements for use with a fluid tester, which may be part of a modular fluid tool, are disclosed in accordance with different embodiments.

Abstract: Systems and methods for downhole formation testing based on the use of one or more elongated sealing pads capable of sealing off and collecting or injecting fluids from elongated portions along the surface of a borehole. The modified sealing pads increase the flow area by collecting fluids from an extended portion along the surface of a borehole, which is likely to straddle one or more layers in laminated or fractured formations. A tester device using the elongated sealing pads can be deployed and withdrawn using an extendible element pressing the pads to the borehole. Various designs and arrangements for use with a fluid tester, which may be part of a modular fluid tool, are disclosed in accordance with different embodiments.

Abstract: A method and apparatus for manipulating fluid, such as measuring bubble point, during drilling or pumping operations including pumping fluid in a borehole through a flow line (200) and drawing fluid from the flow line through an isolation line (232) without substantially dropping pressure of the flow line or without ceasing pumping operations.

Abstract: Systems and methods for downhole formation testing based on the use of one or more elongated sealing pads capable of sealing off and collecting or injecting fluids from elongated portions along the surface of a borehole. The modified sealing pads increase the flow area by collecting fluids from an extended portion along the surface of a borehole, which is likely to straddle one or more layers in laminated or fractured formations. A tester device using the elongated sealing pads can be deployed and withdrawn using an extendible element pressing the pads to the borehole. Various designs and arrangements for use with a fluid tester, which may be part of a modular fluid tool, are disclosed in accordance with different embodiments.

Abstract: This application relates to various methods and apparatus for rapidly obtaining accurate formation property data from a drilled earthen borehole. Quickly obtaining accurate formation property data, including formation fluid pressure, is vital to beneficially describing the various formations being intersected. For example, methods are disclosed for collecting numerous property values with a minimum of downhole tools, correcting and calibrating downhole measurements and sensors, and developing complete formation predictors and models by acquiring a diverse set of direct formation measurements, such as formation fluid pressure and temperature. Also disclosed are various methods of using of accurately and quickly obtained formation property data.

Abstract: An apparatus for analyzing a fluid comprises a chamber to receive a fluid sample. A pump reduces a pressure in the chamber below a vapor pressure of a component of the fluid sample. At least one light system provides a light at a predetermined modulation frequency to the fluid sample. An acoustic sensor detects an acoustic signal caused by the interaction of the light and the fluid sample. A controller relates the acoustic signal to at least one chemical component of the fluid sample.

Abstract: Apparatus and methods for downhole formation testing including use of a probe having inner and outer channels adapted to collect or inject injecting fluids from or to a formation accessed by a borehole. The probe straddles one or more layers in laminated or fractured formations and uses the inner channels to collect fluid.

Abstract: Systems and methods for downhole formation testing based on the use of one or more elongated sealing pads capable of sealing off and collecting or injecting fluids from elongated portions along the surface of a borehole. The modified sealing pads increase the flow area by collecting fluids from an extended portion along the surface of a borehole, which is likely to straddle one or more layers in laminated or fractured formations. A tester device using the elongated sealing pads can be deployed and withdrawn using an extendible element pressing the pads to the borehole. Various designs and arrangements for use with a fluid tester, which may be part of a modular fluid tool, are disclosed in accordance with different embodiments.

Abstract: A downhole, extendable apparatus and methods of use are described and claimed herein. In one embodiment, the extendable apparatus includes a piston that extends toward a borehole wall, the piston having an inner sampling member that is also extendable. The sampling member may be further extended to engage the borehole wall and penetrate the formation. The sampling member may also include a screen and an inner scraper or wiper that frictionally engages the screen and reciprocates to remove debris from the screen. The piston may comprise a seal pad having an internal cavity for receiving a volume of fluid. In another embodiment, the extendable apparatus comprises multiple, concentric pistons for extending the sampling member further toward the borehole wall than is possible with a single piston. The extendable apparatus may also include a retraction contact switch and position indicator.

Abstract: This application relates to various methods and apparatus for rapidly obtaining accurate formation property data from a drilled earthen borehole. Quickly obtaining accurate formation property data, including formation fluid pressure, is vital to beneficially describing the various formations being intersected. For example, methods are disclosed for collecting numerous property values with a minimum of downhole tools, correcting and calibrating downhole measurements and sensors, and developing complete formation predictors and models by acquiring a diverse set of direct formation measurements, such as formation fluid pressure and temperature. Also disclosed are various methods of using of accurately and quickly obtained formation property data.