| Search recent Press Releases: Smith International, Inc.-related press releases |
| Count |
Application # |
Date |
Smith International, Inc. patents (updated weekly) - BOOKMARK this page |
| 1 | 20150021101 | 01/22/15 |  Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance |
| 2 | 20150022051 | 01/22/15 | Fiber reinforced elastomeric stator |
| 3 | 20150014061 | 01/15/15 | Hydraulic actuation of a downhole tool assembly |
| 4 | 20150014067 | 01/15/15 | Cutter protection during leaching process |
| 5 | 20150008041 | 01/08/15 | High stiffness tool for expanding a wellbore |
| 6 | 20140374156 | 12/25/14 | Methods of reducing stress in downhole tools |
| 7 | 20140374163 | 12/25/14 | Actuating a downhole tool |
| 8 | 20140374169 | 12/25/14 | Retention of multiple rolling cutters |
| 9 | 20140367174 | 12/18/14 | Cutting structures and structures for retaining the same |
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| 10 | 20140367178 | 12/18/14 | Cutting structures for fixed cutter drill bit and other downhole cutting tools |
| 11 | 20140367602 | 12/18/14 | Valve member with composite seal |
| 12 | 20140360789 | 12/11/14 | Spacing of rolling cutters on a fixed cutter bit |
| 13 | 20140352951 | 12/04/14 | Fine control of casing pressure |
| 14 | 20140353046 | 12/04/14 | Hybrid bit with roller cones near the bit axis |
| 15 | 20140339882 | 11/20/14 | Axially stable retention mechanism for picks and cutting elements |
| 16 | 20140326515 | 11/06/14 | Rotating cutting elements for pdc bits |
| 17 | 20140309978 | 10/16/14 | Methods for analyzing and designing bottom hole assemblies |
| 18 | 20140298728 | 10/09/14 | Cemented carbide composite for a downhole tool |
| 19 | 20140290146 | 10/02/14 | Polycrystalline diamond cutting elements with engineered porosity and manufacturing such cutting elements |
| 20 | 20140259962 | 09/18/14 | Carbonate pcd with a distribution of si and/or al |
| 21 | 20140259963 | 09/18/14 | Carbonate pcd and methods of making the same |
| 22 | 20140262508 | 09/18/14 | Underreamer for increasing a wellbore diameter |
| 23 | 20140262514 | 09/18/14 | Measuring torque in a downhole environment |
| 24 | 20140262523 | 09/18/14 | Underreamer for increasing a wellbore diameter |
| 25 | 20140262524 | 09/18/14 | Downhole turbine motor and related assemblies |
| 26 | 20140262525 | 09/18/14 | Underreamer for increasing a wellbore diameter |
| 27 | 20140262528 | 09/18/14 | Sidetracking system and related methods |
| 28 | 20140262536 | 09/18/14 | Downhole cutting tools having hybrid cutting structures |
| 29 | 20140262542 | 09/18/14 | Downhole tools including ternary boride-based cermet and methods of making the same |
| 30 | 20140262544 | 09/18/14 | Cutting structures for fixed cutter drill bit and other downhole cutting tools |
| 31 | 20140262545 | 09/18/14 | Cutting structures for fixed cutter drill bit and other downhole cutting tools |
| 32 | 20140262650 | 09/18/14 | Rotary shock absorption tool |
| 33 | 20140262677 | 09/18/14 | Locking clutch for downhole motor |
| 34 | 20140250798 | 09/11/14 | Thermally stable polycrystalline ultra-hard constructions |
| 35 | 20140251616 | 09/11/14 | Downhole tool for removing a casing portion |
| 36 | 20140238748 | 08/28/14 | Slotted liner drilling |
| 37 | 20140223836 | 08/14/14 | Composite cutter substrate to mitigate residual stress |
| 38 | 20140215927 | 08/07/14 | Polycrystalline diamond constructions having optimized material composition |
| 39 | 20140216819 | 08/07/14 | System and coupling a drill bit to a whipstock |
| 40 | 20140216827 | 08/07/14 | Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools |
| 41 | 20140196956 | 07/17/14 | High shear roller cone drill bits |
| 42 | 20140182215 | 07/03/14 | Thermally stable diamond polycrystalline diamond constructions |
| 43 | 20140182937 | 07/03/14 | Roller cone drill bit |
| 44 | 20140182938 | 07/03/14 | Piston strike face and bit interface for percussion hammer drill |
| 45 | 20140182939 | 07/03/14 | Percussion drill bit with conical cutting elements |
| 46 | 20140182940 | 07/03/14 | Underreamer for increasing a bore diameter |
| 47 | 20140182947 | 07/03/14 | Cutting insert for percussion drill bit |
| 48 | 20140182948 | 07/03/14 | Lower melting point binder metals |
| 49 | 20140183798 | 07/03/14 | Manufacture of cutting elements having lobes |
| 50 | 20140183800 | 07/03/14 | Manufacture of cutting elements having lobes |
| 51 | 20140185972 | 07/03/14 | Bearing assembly for a drilling tool |
| 52 | 20140174833 | 06/26/14 | Positioning stabilizer assembly using shoulder ring |
| 53 | 20140174834 | 06/26/14 | Rolling cutter with bottom support |
| 54 | 20140165475 | 06/19/14 | Method to improve efficiency of pcd leaching |
| 55 | 20140166305 | 06/19/14 | Milling cutter having undulating chip breaker |
| 56 | 20140166366 | 06/19/14 | Single-trip lateral coring systems and methods |
| 57 | 20140166367 | 06/19/14 | Coring bit to whipstock systems and methods |
| 58 | 20140170312 | 06/19/14 | Method of making rhenium coating |
| 59 | 20140172303 | 06/19/14 | Methods and systems for analyzing the quality of a wellbore |
| 60 | 20140158367 | 06/12/14 | Wellhead latch and removal systems |
| 61 | 20140150351 | 06/05/14 | Cutting element and a manufacturing a cutting element |
| 62 | 20140144712 | 05/29/14 | Eruption control in thermally stable pcd products by the addition of transition metal carbide |
| 63 | 20140149096 | 05/29/14 | Method of selecting drill bits |
| 64 | 20140130418 | 05/15/14 | Method of making carbonate pcd and sintering carbonate pcd on carbide substrate |
| 65 | 20140131117 | 05/15/14 | Sintering of thick solid carbonate-based pcd for drilling application |
| 66 | 20140131118 | 05/15/14 | Method of using spring loaded blocker to retain rolling cutters or mechanical lock cutters |
| 67 | 20140123562 | 05/08/14 | Thermally stable polycrystalline diamond material with gradient structure |
| 68 | 20140124270 | 05/08/14 | Pdc bits having rolling cutters and using mixed chamfers |
| 69 | 20140124271 | 05/08/14 | Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements |
| 70 | 20140116791 | 05/01/14 | Diamond bonded construction with thermally stable region |
| 71 | 20140109491 | 04/24/14 | Thermally stable diamond bonded materials and compacts |
| 72 | 20140110129 | 04/24/14 | Hydraulic disconnect |
| 73 | 20140110180 | 04/24/14 | Ultra-hard material cutting elements, methods of forming the same and bits incorporating the same |
| 74 | 20140110181 | 04/24/14 | Methods for designing fixed cutter bits and bits made using such methods |
| 75 | 20140102797 | 04/17/14 | Selective deployment of underreamers and stabilizers |
| 76 | 20140102798 | 04/17/14 | Stabilizing members for fixed cutter drill bit |
| 77 | 20140103643 | 04/17/14 | Friction welded heavy weight drill pipes |
| 78 | 20140097024 | 04/10/14 | Drill bits having depth of cut control features and methods of making and using the same |
| 79 | 20140097159 | 04/10/14 | System and brazing tsp materials to substrates |
| 80 | 20140095134 | 04/03/14 | Pdc drill bit with cutter design optimized with dynamic centerline analysis and having dynamic centerline trajectory |
| 81 | 20140083019 | 03/27/14 | Matrix body fixed cuter bits |
| 82 | 20140069725 | 03/13/14 | Ultra-hard constructions with erosion resistance |
| 83 | 20140069727 | 03/13/14 | Ultra-hard constructions with improved attachment strength |
| 84 | 20140060938 | 03/06/14 | Polycrystalline diamond material with high toughness and high wear resistance |
| 85 | 20140054094 | 02/27/14 | Rolling cutter with close loop retaining ring |
| 86 | 20140054095 | 02/27/14 | Highly wear resistant diamond insert with improved transition structure |
| 87 | 20140041948 | 02/13/14 | Cutting elements having cutting edges with continuous varying radii and bits incorporating the same |
| 88 | 20140034317 | 02/06/14 | Extended duration section mill and methods of use |
| 89 | 20140034394 | 02/06/14 | Ball hole welding using the friction stir welding (fsw) process |
| 90 | 20140034396 | 02/06/14 | Cutting elements with re-processed thermally stable polycrystalline diamond cutting layers, bits incorporating the same, and methods of making the same |
| 91 | 20140034397 | 02/06/14 | Downhole reamer asymmetric cutting structures |
| 92 | 20140039854 | 02/06/14 | Methods for modeling wear of fixed cutter bits and for designing and optimizing fixed cutter bits |
| 93 | 20140027117 | 01/30/14 | System and cutting and removing casings from wellbore |
| 94 | 20140013671 | 01/16/14 | Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements |
| 95 | 20140013913 | 01/16/14 | Thermally stable pcd with pcbn transition layer |
| 96 | 20140007512 | 01/09/14 | Techniques and materials for the accelerated removal of catalyst material from diamond bodies |
| 97 | 20130341101 | 12/26/13 | Feature to eliminate shale packing/shale evacuation channel |
| 98 | 20130333953 | 12/19/13 | Cutting elements retained within sleeves |
| 99 | 20130292186 | 11/07/13 | Gage cutter protection for drilling bits |
| 100 | 20130283701 | 10/31/13 | Manufacture of thermally stable cutting elements |
| 101 | 20130270010 | 10/17/13 | Drill bits having depth of cut control features and methods of making and using the same |
| 102 | 20130263748 | 10/10/13 | High pressure high temperature cell |
| 103 | 20130264124 | 10/10/13 | Thermally stable materials, cutter elements with such thermally stable materials, and methods of forming the same |
| 104 | 20130256031 | 10/03/13 | Down hole tool with adjustable fluid viscosity |
| 105 | 20130228376 | 09/05/13 | Flow diverter ring for mud saver valves |
| 106 | 20130220706 | 08/29/13 | Kerfing hybrid drill bit and other downhole cutting tools |
| 107 | 20130220707 | 08/29/13 | Rolling cutter |
| 108 | 20130213654 | 08/22/13 | Cementing whipstock apparatus and methods |
| 109 | 20130206401 | 08/15/13 | Actuation a downhole tool |
| 110 | 20130199784 | 08/08/13 | Extended whipstock and mill assembly |
| 111 | 20130199785 | 08/08/13 | Multi-cycle pipe cutter and related methods |
| 112 | 20130175095 | 07/11/13 | Pressure activated flow switch for a downhole tool |
| 113 | 20130175096 | 07/11/13 | Percussion drilling assembly and hammer bit with gage and outer row reinforcement |
| 114 | 20130168151 | 07/04/13 | System and method to facilitate the drilling of a deviated borehole |
| 115 | 20130168155 | 07/04/13 | Diamond enhanced drilling insert with high impact resistance |
| 116 | 20130168156 | 07/04/13 | Diamond enhanced insert with fine and ultrafine microstructure of pcd working surface resisting crack formation |
| 117 | 20130168157 | 07/04/13 | Thermally stable polycrystalline ultrahard material reinforced with fibrous materials |
| 118 | 20130168158 | 07/04/13 | Method for braze joining of carbonate pcd |
| 119 | 20130168159 | 07/04/13 | Solid pcd cutter |
| 120 | 20130168161 | 07/04/13 | Weighing scale system, apparatus and use |
| 121 | 20130152480 | 06/20/13 | Methods for manufacturing polycrystalline ultra-hard constructions and polycrystalline ultra-hard constructions |
| 122 | 20130153306 | 06/20/13 | Fixed cutter drill bit heel and back-ream cutter protections for abrasive applications |
| 123 | 20130146361 | 06/13/13 | Apparatuses and methods for stabilizing downhole tools |
| 124 | 20130146367 | 06/13/13 | Rolling cutter with improved rolling efficiency |
| 125 | 20130146368 | 06/13/13 | Method for forming a cutting element and downhole tools incorporating the same |
| 126 | 20130146369 | 06/13/13 | Diamond bonded construction with thermally stable region |
| 127 | 20130151157 | 06/13/13 | Dynamic borehole azimuth measurements |
| 128 | 20130140093 | 06/06/13 | Drill bit having geometrically sharp inserts |
| 129 | 20130140094 | 06/06/13 | Rolling cutter using pin, ball or extrusion on the bit body as attachment methods |
| 130 | 20130133531 | 05/30/13 | High pressure carbide component with surfaces incorporating gradient structures |
| 131 | 20130133954 | 05/30/13 | Roller reamer compound wedge retention |
| 132 | 20130133957 | 05/30/13 | Shear cutter with improved wear resistance of wc-co substrate |
| 133 | 20130125475 | 05/23/13 | Tungsten rhenium compounds and composites and methods for forming the same |
| 134 | 20130104755 | 05/02/13 | Construction and composition of preformed containers used in a high-pressure press |
| 135 | 20130098682 | 04/25/13 | Optimized reaming system based upon weight on tool |
| 136 | 20130098688 | 04/25/13 | Drill bits having rotating cutting structures thereon |
| 137 | 20130092449 | 04/18/13 | Low coefficient of thermal expansion cermet compositions |
| 138 | 20130084446 | 04/04/13 | High content pcbn compact including w-re binder |
| 139 | 20130067827 | 03/21/13 | Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance |
| 140 | 20130062052 | 03/14/13 | Pressure lock for jars |
| 141 | 20130055544 | 03/07/13 | Spray system for application of adhesive to a stator tube |
| 142 | 20130048287 | 02/28/13 | Hydraulic stabilizer for use with a downhole casing cutter |
| 143 | 20130048384 | 02/28/13 | Apparatus and controlling or limiting rotor orbit in moving cavity motors and pumps |
| 144 | 20130048388 | 02/28/13 | Drill bit with cutting elements having functionally engineered wear surface |
| 145 | 20130048389 | 02/28/13 | Fine polycrystalline diamond compact with a grain growth inhibitor layer between diamond and substrate |
| 146 | 20130036077 | 02/07/13 | Neural net for use in drilling simulation |
| 147 | 20130020134 | 01/24/13 | Fixed cutter drill bit with core fragmentation feature |
| 148 | 20130015000 | 01/17/13 | Innovative cutting element and cutting structure using same |
| 149 | 20120325480 | 12/27/12 | Dual string section mill |
| 150 | 20120312602 | 12/13/12 | Highly wear resistant composite rotary seals with wear layer at inner diameter and/or outer diameter embedded inside or between rubber layers |
| 151 | 20120316787 | 12/13/12 | Optimization of dynamically changing downhole tool settings |
| 152 | 20120306196 | 12/06/12 | Anti-back off device for down hole tools and drive systems |
| 153 | 20120298423 | 11/29/12 | Jet arrangement on an expandable downhole tool |
| 154 | 20120303280 | 11/29/12 | Borehole independent neutron porosity measurement |
| 155 | 20120288226 | 11/15/12 | Flow control through thrust bearing assembly |
| 156 | 20120288343 | 11/15/12 | Machining long tube lengths and related methods |
| 157 | 20120279709 | 11/08/12 | Expandable downhole casing coupling locator tool |
| 158 | 20120273280 | 11/01/12 | Polycrystalline diamond compact cutters with conic shaped end |
| 159 | 20120273281 | 11/01/12 | Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) |
| 160 | 20120267099 | 10/25/12 | System and deploying a downhole casing patch |
| 161 | 20120261196 | 10/18/12 | High diamond frame strength pcd materials |
| 162 | 20120255793 | 10/11/12 | Matrix powder for matrix body fixed cutter bits |
| 163 | 20120247841 | 10/04/12 | Coating on pdc/tsp cutter for accelerated leaching |
| 164 | 20120247029 | 10/04/12 | Thermally stable diamond polycrystalline diamond constructions |
| 165 | 20120253676 | 10/04/12 | Method of directional resistivity logging |
| 166 | 20120234561 | 09/20/12 | Dual wiper plug system |
| 167 | 20120234610 | 09/20/12 | Cutting structures for fixed cutter drill bit and other downhole cutting tools |
| 168 | 20120227332 | 09/13/12 | Deep leach pressure vessel for shear cutters |
| 169 | 20120228032 | 09/13/12 | Expandable window milling bit and methods of milling a window in casing |
| 170 | 20120217025 | 08/30/12 | Metal expandable element back-up ring for high pressure/high temperature packer |
| 171 | 20120211280 | 08/23/12 | Integrated reaming and measurement system and related methods of use |
| 172 | 20120205163 | 08/16/12 | Kerfing hybrid drill bit and other downhole cutting tools |
| 173 | 20120199363 | 08/09/12 | Downhole tool actuation |
| 174 | 20120186817 | 07/26/12 | Multi-cycle pipe cutter and related methods |
| 175 | 20120186879 | 07/26/12 | Drill bit having enhanced stabilization features and use thereof |
| 176 | 20120168232 | 07/05/12 | Localized features and manufacturing methods for inserts of rock bits |
| 177 | 20120163523 | 06/28/12 | Synchronization methods for downhole communication |
| 178 | 20120138369 | 06/07/12 | Methods to manufacture downhole tools with finished features as an integral cage |
| 179 | 20120139530 | 06/07/12 | Electromagnetic array for subterranean magnetic ranging operations |
| 180 | 20120139543 | 06/07/12 | Methods for improved active ranging and target well magnetization |
| 181 | 20120131855 | 05/31/12 | Diamond impregnated bits and using and manufacturing the same |
| 182 | 20120131856 | 05/31/12 | Fabrication of ultrafine polycrystalline diamond with nano-sized grain growth inhibitor |
| 183 | 20120132470 | 05/31/12 | Apparatus and controlling or limiting rotor orbit in moving cavity motors and pumps |
| 184 | 20120132471 | 05/31/12 | Rolling cutter placement on pdc bits |
| 185 | 20120125696 | 05/24/12 | Polycrystalline diamond constructions having optimized material composition |
| 186 | 20120127830 | 05/24/12 | Downhole imaging system and related methods of use |
| 187 | 20120130685 | 05/24/12 | Techniques for modeling/simulating, designing, optimizing and displaying hybrid drill bits |
| 188 | 20120118559 | 05/17/12 | Rcd sealing elements with multiple elastomer materials |
| 189 | 20120103699 | 05/03/12 | Interface design of tsp shear cutters |
| 190 | 20120105076 | 05/03/12 | Method of correcting resistivity measurements for toll bending effects |
| 191 | 20120097458 | 04/26/12 | Diamond bonded construction with thermally stable region |
| 192 | 20120090900 | 04/19/12 | Special curve braze sheet for top loading cutter to get better braze strength |
| 193 | 20120073113 | 03/29/12 | Adaptor flange for rotary control device |
| 194 | 20120073879 | 03/29/12 | Downhole reamer asymmetric cutting structures |
| 195 | 20120073881 | 03/29/12 | Rolling cutter |
| 196 | 20120067651 | 03/22/12 | Hardfacing compositions, methods of applying the hardfacing compositions, and tools using such hardfacing compositions |
| 197 | 20120061103 | 03/15/12 | Multiple ball- ball seat for hydraulic fracturing with reduced pumping pressure |
| 198 | 20120055099 | 03/08/12 | Edm cuttable, high cbn content solid pcbn compact |
| 199 | 20120051184 | 03/01/12 | Method of acoustic ranging |
| 200 | 20120043726 | 02/23/12 | Multiple sealing element assembly |
| 201 | 20120044783 | 02/23/12 | Acoustic waveform stacking using azimuthal and/or standoff binning |
| 202 | 20120046868 | 02/23/12 | Downhole closed-loop geosteering methodology |
| 203 | 20120018172 | 01/26/12 | Liner hanger fluid diverter tool and related methods |
| 204 | 20110308864 | 12/22/11 | Impregnated drill bits and methods of manufacturing the same |
| 205 | 20110305371 | 12/15/11 | Borehole image reconstruction using inversion and tool spatial sensitivity functions |
| 206 | 20110296765 | 12/08/11 | Ultra-hard constructions with enhanced second phase |
| 207 | 20110297454 | 12/08/11 | Rolling cutter assembled directly to the bit pockets |
| 208 | 20110290487 | 12/01/11 | Cutting tool |
| 209 | 20110284233 | 11/24/11 | Hydraulic actuation of a downhole tool assembly |
| 210 | 20110284293 | 11/24/11 | Rolling cutter bit design |
| 211 | 20110286307 | 11/24/11 | Acoustic logging while drilling tool having raised transducers |
| 212 | 20110286308 | 11/24/11 | Downlinking communication system and method |
| 213 | 20110286309 | 11/24/11 | Downlinking communication system and method using signal transition detection |
| 214 | 20110280101 | 11/17/11 | Unipole and bipole acoustic logging while drilling tools |
| 215 | 20110280102 | 11/17/11 | Methods for making acoustic anisotropy logging while drilling measurements |
| 216 | 20110271603 | 11/10/11 | Diamond-bonded constructions with improved thermal and mechanical properties |
| 217 | 20110272570 | 11/10/11 | Method and neutron logging using a position sensitive neutron detector |
| 218 | 20110258836 | 10/27/11 | Percussion drilling assembly with annular locking member |
| 219 | 20110259610 | 10/27/11 | High pressure and high temperature ball seat |
| 220 | 20110253387 | 10/20/11 | Cementing whipstock apparatus and methods |
| 221 | 20110253457 | 10/20/11 | Drag bit with utility blades |
| 222 | 20110247278 | 10/13/11 | Polycrystalline diamond constructions having improved thermal stability |
| 223 | 20110247832 | 10/13/11 | Expandable slip ring for use with liner hangers and liner top packers |
| 224 | 20110240372 | 10/06/11 | Article of manufacture having a sub-surface friction stir welded channel |
| 225 | 20110240374 | 10/06/11 | Downhole tool having a friction stirred surface region |
| 226 | 20110243774 | 10/06/11 | Undercut stator for a positive displacment motor |
| 227 | 20110232200 | 09/29/11 | Manufacture of thermally stable cutting elements |
| 228 | 20110232968 | 09/29/11 | Borehole drilling optimization with multiple cutting structures |
| 229 | 20110232969 | 09/29/11 | Downhole tool deactivation and re-activation |
| 230 | 20110214871 | 09/08/11 | Flushing procedure for rotating control device |
| 231 | 20110214875 | 09/08/11 | Completion string deployment in a subterranean well |
| 232 | 20110214963 | 09/08/11 | Locking clutch for downhole motor |
| 233 | 20110209918 | 09/01/11 | Increased energy impact tool |
| 234 | 20110203110 | 08/25/11 | Braze or solder reinforced moineu stator |
| 235 | 20110192649 | 08/11/11 | Flow diverter ring for mud saver valves |
| 236 | 20110192650 | 08/11/11 | Percussion drilling assembly having a floating feed tube |
| 237 | 20110192652 | 08/11/11 | Composite cutter substrate to mitigate residual stress |
| 238 | 20110187374 | 08/04/11 | Microresistivity imaging with differentially raised electrodes |
| 239 | 20110188345 | 08/04/11 | Downhole sonic logging tool including irregularly spaced receivers |
| 240 | 20110173896 | 07/21/11 | Expandable earth boring apparatus using impregnated and matrix materials for enlarging a borehole |
| 241 | 20110174114 | 07/21/11 | Matrix bit bodies with multiple matrix materials |
| 242 | 20110174505 | 07/21/11 | Ball drop module |
| 243 | 20110168444 | 07/14/11 | Rotary steerable tool employing a timed connection |
| 244 | 20110168445 | 07/14/11 | Downhole downlinking system employing a differential pressure transducer |
| 245 | 20110168454 | 07/14/11 | Novel hardmetal for use in oil and gas drilling applications |
| 246 | 20110162893 | 07/07/11 | High-shear roller cone and pdc hybrid bit |
| 247 | 20110155468 | 06/30/11 | Side-tracking system and related methods |
| 248 | 20110156709 | 06/30/11 | Microresistivity anisotropy logging tool employing a monopole current injection electrode |
| 249 | 20110156710 | 06/30/11 | Calibration a microresistivity logging tool |
