WO2018139935A1 - Instrument pour relevé non magnétique pour trous de forage, tubages ou trains de tiges - Google Patents

Instrument pour relevé non magnétique pour trous de forage, tubages ou trains de tiges Download PDF

Info

Publication number
WO2018139935A1
WO2018139935A1 PCT/NO2018/050019 NO2018050019W WO2018139935A1 WO 2018139935 A1 WO2018139935 A1 WO 2018139935A1 NO 2018050019 W NO2018050019 W NO 2018050019W WO 2018139935 A1 WO2018139935 A1 WO 2018139935A1
Authority
WO
WIPO (PCT)
Prior art keywords
survey instrument
magnetic survey
magnetic
instrument
borehole
Prior art date
Application number
PCT/NO2018/050019
Other languages
English (en)
Inventor
Lennart JÖNSSON
Viktor Tokle
Rune Lindhjem
Original Assignee
Devico As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Devico As filed Critical Devico As
Priority to CA3046456A priority Critical patent/CA3046456A1/fr
Priority to AU2018212302A priority patent/AU2018212302B2/en
Publication of WO2018139935A1 publication Critical patent/WO2018139935A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors for obtaining oriented cores
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil

Definitions

  • the present invention is related to a non-magnetic survey instrument for boreholes, casings or drill strings, according to the preamble of claim 1.
  • the present invention is especially related to a non-magnetic survey instrument arranged for surveying inside of boreholes, casings and drill strings by the use of a wireline system.
  • DeviFlexTM Non-magnetic Multishot
  • the closest prior art of the present invention is DeviFlexTM— Non-magnetic Multishot, a product offered by the applicant.
  • the DeviFlex is a survey instrument for measuring borehole deviation both in magnetically disturbed and undisturbed areas. Over the length of the instrument there are three centralizers with wheels. The wheels are positioned approximately 120 degrees apart, and are always in contact with the drill string inner wall. This secures that the instrument is centralized in the drill string at the location of each centralizer. The distance between the centralizers is fixed (e.g. at 2 meters).
  • the instrument is connected to a PDA via a cable.
  • the logging frequency is set and then sent to the instrument along with a start command.
  • the instrument will now start to log data from the onboard measuring systems at the set interval.
  • the local time is recorded.
  • the recorded time is combined with the time the survey instrument was started and the logging frequency, the specific data point may be extracted from the instrument.
  • a borehole survey with the DeviFlex is performed by measuring in overlapping depth intervals.
  • the length of the instrument must be known (e.g. 4 meters), and the distance between each survey station cannot be longer than the length of the instrument.
  • the instrument must be stationary at each survey station for a certain amount of time for sensors of the measuring systems to stabilize and measure correctly.
  • the deviation over the length of the survey instrument is measured and combined with the deviation measured at the previous station.
  • the instrument is retrieved to surface and connected back with the PDA.
  • the data points of interest are transferred to the PDA, and the full deviation calculated by combining the sensor data with the depth of each survey station.
  • Depth data is e.g. achieved by using a winch with counter measuring the amount of wire spooled out and thus the length of the wire which corresponds to the depth in the borehole.
  • the above described survey instrument suffer from that external or internal bias which may cause false deviation readings, e.g. due to tear and wear of wheels, different spring-load, misalignment in the instrument, load from overshot, misalignment on the drill string, etc.
  • a drawback with the above-described survey instrument is further that it is required to be stationary at every survey station for making measurements, which results in that the survey is time-consuming.
  • a further drawback is the use of cable communication between the survey instrument and handheld unit (PDA) which is sensitive to dirt and rough treatment.
  • the main object of the present invention is to provide a non-magnetic survey instrument for boreholes, casings or drill strings partly or entirely solving the above mentioned drawbacks and lacks of prior art.
  • Another object of the present invention is to provide a non-magnetic survey instrument for boreholes, casings or drill strings arranged for compensation of internal and external bias.
  • An object of the present invention is to provide a non-magnetic survey instrument for boreholes, casings or drill strings capable of performing detection of rotation angle in vertical and near vertical boreholes.
  • An object of the present invention is to provide a non-magnetic survey instrument for boreholes, casings or drill strings which can be a part of the drilling process.
  • Another object of the present invention is to provide a non-magnetic survey instrument for boreholes, casings or drill strings capable of retrieving an inner tube with core samples from the core barrel.
  • a non-magnetic survey instrument for boreholes, casings or drill strings according to the present invention is described in claim 1. Preferable features of the non-magnetic survey instrument are described in the dependent claims.
  • the present invention is related to improvement of the above described survey instrument for measuring borehole deviation in magnetically disturbed and undisturbed areas.
  • the non-magnetic survey instrument for boreholes, casings or drill strings according to the present invention includes a body formed by a front and rear tube arranged for mechanical connection. Over the length of the non-magnetic survey instrument there are arranged centralizer assemblies including wheel assemblies ensuring that the non-magnetic survey instrument at all times will be in contact with inner wall of a borehole, casing or drill string.
  • a pump in assembly At rear end of the non-magnetic survey instrument is typically arranged a pump in assembly, and further a spear head assembly for connection to a wireline system.
  • the non-magnetic survey instrument is further provided with measuring systems for performing measurements in the borehole, casing or drill string.
  • the non- magnetic survey instrument includes at least two independent measuring systems, wherein a first measuring system includes accelerometers in at least three axes for measuring rotational angle and inclination angle of the non-magnetic survey instrument, while a second measuring system includes strain gauge sensors for measuring deviation in the borehole, casing or drill string. Deviation in the borehole, casing or drill string will be transferred to the non-magnetic survey instrument and the strain/stress is measured by the strain gauge sensors and converted to an angle, while the rotational angle of the non-magnetic survey instrument can be used to determine which direction the converted angle is pointing. The deviation angle may be projected to the horizontal and vertical plane for conversion to azimuth and inclination angles.
  • the non-magnetic survey instrument is according to a further embodiment of the present invention further provided with a third measuring system including at least one gyro sensor for measuring rotational angle of the non-magnetic survey instrument in vertical or near vertical positions.
  • a gyro sensor is subject to drift, but according to the present invention drift is corrected by comparing with sensor data from the accelerometer(s) when the non-magnetic survey instrument is no longer in a vertical position, accordingly providing self- calibration of the gyro sensor(s).
  • the rotational angle from the at least one gyro sensor will enable the non-magnetic survey instrument according to the present invention to detect the direction of the borehole deviation also in fully vertical boreholes.
  • the non-magnetic survey instrument is arranged for continuous surveying, as opposite to prior art solutions which require that the survey instrument is stationary at each measurement station.
  • continuous surveying is achieved by that damping is added to the measuring systems and by logging filtering/averaging measured sensor data over a specific (short) time frame.
  • Damping may be added by accommodating the sensors of the measuring systems in a shock absorbing material or arranging them to shock absorbing devices, making them less sensitive to shock and movement as the nonmagnetic survey instrument travels inside the borehole, casing or drill string.
  • the non-magnetic survey instrument is arranged for continuous or discrete logging measured sensor data from the measuring systems, the measured sensor data may be integrated and processed over specific (short) time frames, further reducing the effect of shock and movement.
  • the centralizer assemblies are arranged to rotate the nonmagnetic survey instrument around its longitudinal axis when it travels downwards or upwards inside the borehole, casing or drill string.
  • the non-magnetic survey instrument is preferably rotated 90 degrees over a distance equalling non-magnetic survey instrument length.
  • the rotation of the non-magnetic survey instrument is according to the present invention achieved by that the centralizer assemblies includes at least three wheel assemblies arranged in circumferential direction thereof and comprising longitudinally angled wheels, wherein the wheels rotate in a plane exhibiting an angle in relation to the longitudinal direction/moving direction of the non-magnetic survey instrument.
  • At least one of the wheel assemblies is a spring-loaded wheel assembly.
  • the present invention it is preferably arranged a rear swivel assembly at upper end of the non-magnetic survey instrument to prevent unscrewing of the non-magnetic survey instrument as it rotates.
  • the non-magnetic survey instrument is provided with short range wireless communication means, such as Bluetooth, I or similar wireless transceiver, enabling wireless communication through an area with non-conductive material or a material that electromagnetic waves can penetrate in the non-magnetic survey instrument, enabling wireless communication with a handheld unit/external unit, such as a PDA.
  • short range wireless communication means such as Bluetooth, I or similar wireless transceiver
  • an inner tube overshot head assembly at front end of the nonmagnetic survey instrument, preferably with a shock absorber assembly, between the non- magnetic survey instrument and the inner tube overshot head assembly.
  • the non-magnetic survey instrument As the non-magnetic survey instrument is sent to the bottom of the borehole, casing or drill string, it will connect with and attach to an inner tube of a wireline-operated core barrel drill, as e.g. described in NO 168962, NO 316286, NO334083, WO2013028074, WO2013028075 and WO2011056077, all in the name of the applicant.
  • the inner tube with the core sample will follow with. Accordingly, making the survey a part of the drilling process, as the survey is performed and the core retrieved at the same time.
  • non-magnetic survey instrument in a further embodiment, is a front swivel assembly arranged between at lower end thereof, between the non- magnetic survey instrument and the overshot head assembly to reduce amount of rotation of the inner tube with the core sample as it is retrieved.
  • a non-magnetic survey instrument for boreholes, casing or drill strings enabling continuous surveying which reduces the time required for surveying of the borehole, casing or drill string.
  • a non-magnetic survey instrument for boreholes, casings or drill strings which provides increased accuracy by that it is arranged for compensation of internal and external bias.
  • the present invention also provides a solution where a survey can be a part of a drilling process by that the non-magnetic survey instrument is arranged for retrieving inner tube with core samples at the same time as performing a survey, accordingly increasing the daily drilling production rate.
  • a further advantage with the present invention is that the overall length of the non-magnetic survey instrument can be reduced, compared to prior art solutions, increasing the manageability of the non-magnetic survey instrument, as well as the costs.
  • Fig. 1 is a principle drawing of a non-magnetic survey instrument for boreholes, casings or drill strings according to the present invention
  • Fig. 2 is a principle drawing of the non-magnetic survey instrument for boreholes, casings or drill strings revealing details of components therein, and
  • Fig. 3a-b are principle drawings of a centralizer assembly according to the present invention.
  • the non-magnetic survey instrument 100 for boreholes, casings or drill strings includes a body 110 formed by a front tube 111 provided with a front centralizer assembly 120 and a rear tube 112 provided with centralizer assemblies 121, 122 at both ends thereof, which front 111 and rear 112 tube at ends thereof are provided with connections for mechanical connection, as well as arranged for connection to front 130 and rear 131 swivel assemblies, respectively, pump in assembly 140, shock absorber assemblies, spear head adapter 150 for spear head 151 enabling connection to a wireline system and operation of the nonmagnetic survey instrument 100 via a wireline system (not shown).
  • the centralizer assembly 120 forms a front centralizer
  • the centralizer assembly 121 forms a middle centralizer
  • the centralizer assembly 122 forms a rear centralizer in the body 110 of the non-magnetic survey instrument 100.
  • an overshot head assembly 160 is arranged to the front swivel 130, preferably via a shock absorber assembly (not shown), enabling retrieval of an inner tube (not shown) with a core sample at the same time as a survey is performed.
  • Inner tubes are well known in prior art wireline-operated core barrel drills, as e.g. described in NO 168962, NO 316286, NO334083, WO2013028074, WO2013028075 and WO2011056077, to which publications are referred to for further description of inner tube.
  • the front swivel assembly 130 is arranged for reducing the amount of rotation of the inner tube with the core sample, when the non-magnetic survey instrument 100 is retrieved from the borehole, casing or drill string.
  • the rear swivel 131 is arranged for preventing unscrewing of the non-magnetic survey instrument 100 as it rotates in its way downwards or upwards the borehole, casing or drill string.
  • the non-magnetic survey instrument 100 for borehole, casing or drill string according to the present invention further includes at least two independent measuring systems accommodated in the body 110.
  • a first measuring system 170 comprises accelerometers in at least three axes for detecting rotational angle and inclination angle of the non-magnetic survey instrument 100, the accelerometer-based measuring system 170 preferably being arranged close to the middle of the rear tube 112.
  • a second measuring system 180 comprises strain gauges, preferably at least four strain gauges, for measuring deviation in the borehole, casing or drill string by that deviation in the borehole, casing or drill string is transferred to the body 110 of the non-magnetic survey instrument 100 and the resulting strain/stress is measured by the strain gauges and converted to an angle, the strain gauge based measuring system 180 preferably being arranged close to the centralizer assembly 121, i.e. close to the middle of the non-magnetic survey instrument 100.
  • the non-magnetic survey instrument 100 can further include a third measuring system 190 including at least one gyro sensor for measuring rotational angle of the non-magnetic survey instrument 100 in vertical and near vertical positions (boreholes).
  • Gyro sensors are subject to drift. According to the present invention the drift is corrected by comparing with sensor data from the accelerometers when the non-magnetic survey instrument 100 is no longer in a vertical position. Accordingly, the gyro sensor based measuring system 190 can be self- calibrating.
  • the gyro sensor based measuring system 180 is arranged in the rear tube 112, preferably in a middle area thereof.
  • the non-magnetic survey instrument 100 is arranged for continuous surveying. According to an embodiment of the non-magnetic instrument 100 according to the present invention this is achieved by accommodating the sensors of the measuring systems 170-190 in a shock absorbing material 300 or arranging them to shock absorbing devices (not shown), making them less sensitive to shock and movement as the non-magnetic survey instrument 100 travels inside the borehole, casing or drill string.
  • the non-magnetic survey instrument 100 is further provided with an energy source 200, preferably in the form of chargeable batteries, arranged in the body 110, powering the measuring systems 170-190, which batteries can be charged via a charging connector 201 and/or via suitable energy harvesters arranged in the non-magnetic survey instrument 100.
  • an energy source 200 preferably in the form of chargeable batteries, arranged in the body 110, powering the measuring systems 170-190, which batteries can be charged via a charging connector 201 and/or via suitable energy harvesters arranged in the non-magnetic survey instrument 100.
  • the non-magnetic survey instrument 100 is further provided with short range wireless communication means 210, such as Bluetooth, I or similar wireless short range transceiver, enabling communication with a handheld/external unit, such as a PDA.
  • the body 110 is provided with at least one slit 211 for communication.
  • the slit 211 is preferably covered with a material (e.g. a non-conductive material or a material that electromagnetic waves can penetrate) to create a fully watertight tube without impairing the data signal.
  • the slit(s) 211 is/are preferably supported by a ceramic "button" to increase pressure tolerance.
  • Other suitable similar solutions will be within the knowledge of a skilled person.
  • the above mentioned charging connector 201 can also be arranged for data transfer to and from the non-magnetic survey instrument 100. In this way the non-magnetic survey instrument 100 will have redundancy in the communication means.
  • the non-magnetic survey instrument 100 is further provided with a control unit 220, arranged for controlling the measuring systems 170-190, as well as provided with a memory unit, integrated with the control unit 220 or a separate unit, for storing of sensor data, as well as gravity vector, temperature, and battery capacity, and further arranged for controlling the wireless short range communication means 210.
  • the control unit 220 is further provided with means and/or software for integrating and processing measured sensor data over specific (short) time frames, further reducing the effect of shock and movement, as described above.
  • the non-magnetic survey instrument 100 can further include a magnetic sensor (not shown) arranged for activating the short range wireless transceiver 210 for data communication with a handheld/external unit (PDA) (not shown) when magnetic field of a given size is applied thereto.
  • the body 110 can for this be provided with a slot (not shown) adapted for receiving a dedicated magnet for providing the given magnetic field.
  • FIG. 3a-b showing details of the centralizer assemblies 120-122 according to the present invention which are arranged for rotating the non-magnetic survey instrument 100 as it travels downwards or upwards a borehole, casing or drill string.
  • the centralizer assemblies 120-122 according to the present invention are provided with at least three wheel assemblies 240, 250 arranged in circumferential direction thereof and comprising longitudinally angled wheels 243, 253, wherein the wheels 243, 253 rotate in a plane exhibiting an angle in relation to the longitudinal direction/moving direction of the non-magnetic survey instrument 100. It should be noted that it in Figure 3a is shown a overdimensioning of the angle, which typically will be between 0-10 degrees.
  • the centralizer assemblies 120-122 are further formed by a tubular sleeve 230, formed by one or more parts, which tubular sleeve 230 is provided with longitudinal recesses 231 for accommodating the wheel assemblies 240, 250.
  • the wheel assemblies can be fixed wheel assemblies 240 or spring-loaded wheel assemblies 250 or a combination thereof, chosen according to desired properties.
  • at least one of the at least three wheel assemblies is a spring-loaded wheel assembly 250.
  • Fig. 3b is shown an embodiment with two fixed wheel assemblies 240 and one spring-loaded wheel assembly 250 comprising longitudinally angled wheels 243, 253, respectively, illustrating a possible implementation of the wheel assemblies 240, 250.
  • the fixed wheel assemblies 240 are e.g. formed by a main body 241 exhibiting a longitudinal recess 242 for accommodating a wheel 243, rotatably arranged in the longitudinal recess 242 by means of a shaft 244 and bearings, wherein the shaft 244 is arranged to the main body 241 such that the wheel 243 extends out of the main body 241 and thus the tubular sleeve 230, wherein the shaft 242 is arranged such that the wheel 243 is longitudinally angled and rotates about a plane exhibiting an angle in relation to the longitudinal direction/moving direction of the tubular sleeve 230/non-magnetic survey instrument 100.
  • the spring-loaded wheel assembly 250 is e.g.
  • a main body 251 exhibiting a longitudinal recess 252 for accommodating a wheel 253, rotatably arranged in the longitudinal recess 252 by means of a shaft 254 and bearings, wherein the shaft 254 is arranged such that the wheel 253 is longitudinally angled and rotates about a plane exhibiting an angle in relation to the longitudinal direction/moving direction of the tubular sleeve 230/non-magnetic survey instrument 100.
  • the shaft 254 is further arranged on a carrier 255 movable along a transversal axis of the tubular sleeve 230 in a compartment 256 having its longitudinal extension along a transversal axis of the tubular sleeve 230.
  • a spring 257 is arranged in the compartment 256 providing the carrier 255 and thus the wheel 253 with a spring-loaded movement along the transversal axis of the tubular sleeve 230.
  • the circumference of the centralizer assemblies 120-122 can be divided in sectors corresponding to the number of wheel assemblies 240, 250, wherein one wheel assembly 240, 250 is arranged in each sector.
  • the fixed wheel assemblies 240 are arranged laterally reversed about a ventral axis through the spring- loaded wheel assembly 250. This is only an example and different configurations will be within the knowledge of a skilled person.
  • the angle of the longitudinally angled wheels 243, 253 is chosen such that the non-magnetic survey instrument 100 is arranged to rotate 90 degrees over a distance equalling the non-magnetic survey instrument 100 length to compensate for external and internal bias.
  • the angle of the wheel assemblies 240, 250 in relation to the longitudinal direction/moving direction of the tubular sleeve 230/non-magnetic survey instrument 100 will be dependent on inner diameter of the borehole, casing or drill string, and calculated as follows:
  • Angle atan("inner dimeter” * PI * (X°/360°) / "non-magnetic survey instrument length"), wherein X is between 45 and 360. A smaller angle than 45 degrees will not result in that one achieve the desired effect with regard of compensating for bias. According to the present invention the rotation and compensating for bias solves two main issues.
  • the bias is compensated for, which means that the measured data must be stored for each quarter (90 degrees) rotation. If one then e.g. logs at each 180 degrees one will not achieve a full compensation. Secondly, it is important that the instrument does not move to far between each rotation. If the instrument is moved to far for each rotation this will result in a helical shape of the measured data, as the bias will not be compensated for fast enough.
  • X is chosen to be 90 degrees.
  • the angle is preferably the same for all the wheel assemblies 240, 250.
  • at least one spring-loaded wheel assembly 250 this will ensure that all the wheels 243, 253 of the wheel assemblies 240, 250 at all time is in contact with the inner surface/wall of the borehole, casing or drill string, centralizing the non-magnetic survey instrument 100 in the borehole, casing or drill string, as well as it will adapt to irregularities at the inner surface/wall of the borehole, casing or drill string.
  • the non-magnetic survey instrument 100 can be adapted to different borehole, casing or drill string sizes by exchanging the centralizer assemblies 120-122 adapted to the different borehole, casing or drill string dimensions. Accordingly, the user will only need to have one non-magnetic survey instrument 100 with a set of tubular sleeves 230 with wheels 243, 253 of various sizes to adjust for different dimensions of the borehole, casing or drill string.
  • a survey may be performed by running the non-magnetic survey instrument 100 continuously in the borehole, casing or drill string without stopping to record measurements.
  • the non-magnetic survey instrument 100 is connected to a handheld/external unit, such as a PDA, and continuous or discrete logging is initiated.
  • the non-magnetic survey instrument 100 will now log sensor data lines with high frequency.
  • the handheld/external unit, such as a PDA may further be connected to a wireless wire counter for continuous depth reference as the non-magnetic survey instrument 100 is lowered or pulled out of the borehole, casing or drill string with the wireline.
  • the wire counter may be time synchronized with the handheld/external unit, such as a PDA, and depth reference merged with the sensor data lines as the survey is finished.
  • the non-magnetic survey instrument 100 Due to the longitudinally angled wheels 240, 250, the non-magnetic survey instrument 100 according to the present invention will spiral as it travels downwards or upwards the borehole, casing or drill string, compensating for external and internal bias.
  • the swivel 140 between the pump in assembly 140 and non-magnetic survey instrument 100 will secure that all threads remain secure if the non-magnetic survey instrument 100 requires to be pumped to hole bottom, e.g. in horizontal boreholes.
  • the front overshot assembly 160 may engage with an inner tube spearhead, and, upon retrieval of the wireline, the inner tube disengages from the core barrel and is pulled out along with the non-magnetic survey instrument 100.
  • Survey data may be collected both as the non-magnetic survey instrument 100 travels downwards to pick up the inner tube, and upwards with the inner tube engaged. In such way the survey operation becomes an integrated part of the drilling process.
  • the non-magnetic survey 100 instrument when retrieved from the borehole, casing or drill string can communicate wirelessly with the handheld/external unit, such as a PDA, for transfer of measured sensor data.
  • the handheld/external unit such as a PDA
  • the results can be viewed on a monitor of the handheld/external unit, such as PDA, in the field.
  • the data can thereafter be further processed, analysed, plotted and reported to the client by means of software in the handheld/external unit, such as PDA, suitable for this, such as Devisoft.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

L'invention concerne un instrument pour relevé non magnétique (100) pour trou de forage, tubage ou train de tiges formé d'un corps (110) logeant des ensembles centreurs (120-122) et des systèmes de mesure (170-190), l'instrument de sondage non magnétique (100) étant conçu pour un relevé continu lorsque l'instrument de relevé non magnétique (100) se déplace vers le bas ou vers le haut dans un trou de forage, un tubage ou un train de tiges de forage.
PCT/NO2018/050019 2017-01-26 2018-01-25 Instrument pour relevé non magnétique pour trous de forage, tubages ou trains de tiges WO2018139935A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA3046456A CA3046456A1 (fr) 2017-01-26 2018-01-25 Instrument pour releve non magnetique pour trous de forage, tubages ou trains de tiges
AU2018212302A AU2018212302B2 (en) 2017-01-26 2018-01-25 Non-magnetic survey instrument for boreholes, casings or drill strings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20170117A NO342875B1 (en) 2017-01-26 2017-01-26 Non-magnetic survey instrument for boreholes, casings or drill strings
NO20170117 2017-01-26

Publications (1)

Publication Number Publication Date
WO2018139935A1 true WO2018139935A1 (fr) 2018-08-02

Family

ID=62978676

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2018/050019 WO2018139935A1 (fr) 2017-01-26 2018-01-25 Instrument pour relevé non magnétique pour trous de forage, tubages ou trains de tiges

Country Status (4)

Country Link
AU (1) AU2018212302B2 (fr)
CA (1) CA3046456A1 (fr)
NO (1) NO342875B1 (fr)
WO (1) WO2018139935A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220049595A1 (en) * 2018-11-28 2022-02-17 Oxy Usa Inc. Method and apparatus for determining optimal installation of downhole equipment
CN113049016B (zh) * 2021-04-29 2023-05-30 宿州学院 一种土木工程的道路桥梁自走式勘测装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0653647A2 (fr) * 1993-11-17 1995-05-17 Baker Hughes Incorporated Procédé pour corriger des components d'erreur axial et transversal dans les lectures magnétiques pendant les opérations de mesure dans un puits
US5467083A (en) * 1993-08-26 1995-11-14 Electric Power Research Institute Wireless downhole electromagnetic data transmission system and method
US6315062B1 (en) * 1999-09-24 2001-11-13 Vermeer Manufacturing Company Horizontal directional drilling machine employing inertial navigation control system and method
EP1184539A2 (fr) * 2000-08-29 2002-03-06 Baker Hughes Incorporated Appareil pour effectuer des mesures de fond pendant le forage utilisant des dispositifs gyroscopiques, et procédés d'évacuation latérale
US20060006000A1 (en) * 2004-07-09 2006-01-12 Halliburton Energy Services, Inc. Borehole drilling control system, method and apparatus
EP2213834A2 (fr) * 2009-01-30 2010-08-04 Gyrodata, Incorporated Diminution des contributions d'erreur aux mesures gyroscopiques d'un système de relevé de forage de puits
WO2015005924A1 (fr) * 2013-07-11 2015-01-15 Halliburton Energy Services, Inc. Télémétrie de puits de forage indépendant de la rotation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2792981T3 (es) * 2013-11-19 2020-11-12 Minex Crc Ltd Métodos y aparato para diagrafía de pozo de sondeo
MX2017003124A (es) * 2014-09-10 2017-08-28 Fracture Id Inc Aparato y metodo que utiliza las mediciones tomadas durante la perforacion para trazar un mapa de los limites mecanicos y las propiedades mecanicas de la roca a lo largo del pozo.
US9464482B1 (en) * 2016-01-06 2016-10-11 Isodrill, Llc Rotary steerable drilling tool

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5467083A (en) * 1993-08-26 1995-11-14 Electric Power Research Institute Wireless downhole electromagnetic data transmission system and method
EP0653647A2 (fr) * 1993-11-17 1995-05-17 Baker Hughes Incorporated Procédé pour corriger des components d'erreur axial et transversal dans les lectures magnétiques pendant les opérations de mesure dans un puits
US6315062B1 (en) * 1999-09-24 2001-11-13 Vermeer Manufacturing Company Horizontal directional drilling machine employing inertial navigation control system and method
EP1184539A2 (fr) * 2000-08-29 2002-03-06 Baker Hughes Incorporated Appareil pour effectuer des mesures de fond pendant le forage utilisant des dispositifs gyroscopiques, et procédés d'évacuation latérale
US20060006000A1 (en) * 2004-07-09 2006-01-12 Halliburton Energy Services, Inc. Borehole drilling control system, method and apparatus
EP2213834A2 (fr) * 2009-01-30 2010-08-04 Gyrodata, Incorporated Diminution des contributions d'erreur aux mesures gyroscopiques d'un système de relevé de forage de puits
WO2015005924A1 (fr) * 2013-07-11 2015-01-15 Halliburton Energy Services, Inc. Télémétrie de puits de forage indépendant de la rotation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DEVICO: "BOREHOLE POSITIONING TECHNOLOGY", DEVICO -PRODUCT BROCHURE, January 2015 (2015-01-01), pages 6 - 7, XP055559649, Retrieved from the Internet <URL:http://www.devico.com/downloads-2/brochures> [retrieved on 20180524] *

Also Published As

Publication number Publication date
AU2018212302A1 (en) 2019-06-13
CA3046456A1 (fr) 2018-08-02
AU2018212302B2 (en) 2023-04-27
NO20170117A1 (en) 2018-07-27
NO342875B1 (en) 2018-08-20

Similar Documents

Publication Publication Date Title
US11591904B2 (en) System and method of triggering, acquiring and communicating borehole data for a MWD system
EP1344091B1 (fr) Capteurs de diagraphie en cours de forage montes sur des nervures
US8957683B2 (en) High frequency dielectric measurement tool
US9151150B2 (en) Apparatus and methods for well-bore proximity measurement while drilling
US9121967B2 (en) Method and apparatus for well-bore proximity measurement while drilling
EP2134921B1 (fr) Outil d&#39;orientation de carotte
CN204253027U (zh) π近钻头伽玛测井仪
CN110637146B (zh) 用于井眼中仪器的运动测量的方法
CN106988727A (zh) 一种钻井用定向传感器
EP3724447B1 (fr) Systèmes et procédés pour la détermination de caractéristiques de forage en fond de trou
US20230374899A1 (en) Method and system for determining core orientation
US20160298448A1 (en) Near bit measurement motor
AU2018212302B2 (en) Non-magnetic survey instrument for boreholes, casings or drill strings
WO2014043073A2 (fr) Système de détection précoce et anticollision
CA2894512C (fr) Appareil et procedes de mesure de la proximite de puits en cours de forage
GB2514077A (en) Wireline gyro surveying
NO20150631A1 (en) Method and apparatus for well-bore proximity measurement while drilling
CN221503272U (zh) 一种抗磁干扰的对接系统、对接系统用对接组件和装置
CA3072229C (fr) Determination de proprietes de tubage et de formation a l&#39;aide de mesures electromagnetiques
JP3101258B2 (ja) 三次元磁気探査器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18745237

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 3046456

Country of ref document: CA

ENP Entry into the national phase

Ref document number: 2018212302

Country of ref document: AU

Date of ref document: 20180125

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 18/10/2019)

122 Ep: pct application non-entry in european phase

Ref document number: 18745237

Country of ref document: EP

Kind code of ref document: A1