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1. WO2021016376 - DRILL PLANNING TOOL FOR TOPOGRAPHY CHARACTERIZATION, SYSTEM AND ASSOCIATED METHODS

Publication Number WO/2021/016376
Publication Date 28.01.2021
International Application No. PCT/US2020/043114
International Filing Date 22.07.2020
Chapter 2 Demand Filed 07.05.2021
IPC
E21B 17/02 2006.1
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
17Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings
02Couplings; Joints
E21B 7/02 2006.1
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
7Special methods or apparatus for drilling
02Drilling rigs characterised by means for land transport, e.g. skid mounting or wheel mounting
E21B 17/00 2006.1
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
17Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings
E21B 47/02 2006.1
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
47Survey of boreholes or wells
02Determining slope or direction
CPC
E21B 47/0228
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
47Survey of boreholes or wells
02Determining slope or direction
022of the borehole, e.g. using geomagnetism
0228using electromagnetic energy or detectors therefor
E21B 47/024
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
47Survey of boreholes or wells
02Determining slope or direction
024of devices in the borehole
E21B 7/046
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
7Special methods or apparatus for drilling
04Directional drilling
046horizontal drilling
G01B 3/12
GPHYSICS
01MEASURING; TESTING
BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
3Instruments as specified in the subgroups and characterised by the use of mechanical measuring means
12Measuring wheels
G01C 7/02
GPHYSICS
01MEASURING; TESTING
CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
7Tracing profiles
02of land surfaces
G01S 19/13
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
13Receivers
Applicants
  • MERLIN TECHNOLOGY, INC. [US]/[US]
Inventors
  • ZELLER, Rudolf
  • SHAW, Timothy
  • BAYLISS, Timothy
  • CASWELL, Craig
Agents
  • GALLENSON, Mavis
  • LUSINCHI, Laurent P.
  • BERG, Richard P.
  • TOWER, Lee W.
  • KOBZEFF, Joe M.
  • KOO, Young Seok
Priority Data
16/520,18223.07.2019US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) DRILL PLANNING TOOL FOR TOPOGRAPHY CHARACTERIZATION, SYSTEM AND ASSOCIATED METHODS
(FR) OUTIL DE PLANIFICATION DE FORAGE POUR CARACTÉRISATION DE TOPOGRAPHIE, SYSTÈME ET PROCÉDÉS ASSOCIÉS
Abstract
(EN) A planning tool plans movement of a boring tool for an underground drilling operation. The planning tool includes one or more wheels for rolling on a surface of the ground along a path responsive to movement by an operator to characterize the surface contour and to generate guidance for the boring tool to reach a target position. Planning can additionally be based on waypoints. The planning tool can be rolled unidirectionally or bidirectionally to characterize the surface contour. Bidirectional movement cancels accelerometer fixed bias. Path stitching is used to plan around obstacles. The planning tool can facilitate tracker placement. The planning tool can collect noise information for frequency selection purposes. A described technique maximizes linear drilling in an underground plan. Compensation and/or warnings are provided for unsteady, fast and slow movement of the planning tool while measuring the surface contour.
(FR) L'invention concerne un outil de planification qui planifie un mouvement d'un outil de forage pour une opération de forage souterrain. L'outil de planification comprend une ou plusieurs roues pour rouler sur une surface du sol le long d'un trajet sensible au mouvement par un opérateur pour caractériser le contour de surface et générer un guidage pour l'outil de forage afin d'atteindre une position cible. La planification peut en outre être basée sur des points de cheminement. L'outil de planification peut rouler de manière unidirectionnelle ou bidirectionnelle pour caractériser le contour de surface. Un mouvement bidirectionnel annule la sollicitation fixe de l'accéléromètre. Une couture de trajet est utilisée pour planifier autour d'obstacles. L'outil de planification peut faciliter le placement d'un dispositif de suivi. L'outil de planification peut collecter des informations de bruit à des fins de sélection de fréquence. Une technique décrite maximise un forage linéaire dans un plan souterrain. Une compensation et/ou des avertissements sont prévus pour un mouvement non-stationnaire, rapide et lent de l'outil de planification tout en mesurant le contour de surface.
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