US Patent Class 175
BORING OR PENETRATING THE EARTH



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  WITH SEISMIC SHOCK GENERATING
2  DF  BORING WITH EXPLOSION IN INACCESSIBLE HOLE
3  DF  .~ Severing formed core by explosion
3.5  DF  .~ Explosive charge carried by projectile
4  DF  .~ Driving core receiver by explosion or with receptacle collecting material in bore
4.5  DF  .~ Directing successive projectiles or charges in same path
4.51  DF  .~ With position orienting or indicating
4.52  DF  .~ With wall engaging packer or anchor
4.53  DF  .~ Firing chamber movable in bore relative to carrier or another firing chamber
4.54  DF  .~ With bore condition firing control, or compensating means
4.55  DF  .~ Independent firing of plural charges
4.56  DF  .~ Firing control mechanically actuated in bore
4.57  DF  .~ Projectile forms bore
4.58  DF  .~.~ With means to initially restrain projectile for pressure build-up
4.59  DF  .~.~ With means to prevent preliminary bore fluid contact
4.6  DF  .~ Concave-shaped charge
5  DF  BORING A SUBMERGED FORMATION
6  DF  .~ Boring with underwater tool drive prime mover
7  DF  .~ Boring from floating support with submerged independent anchored guide base
8  DF  .~ Boring from submerged buoyant support
9  DF  .~ Boring from nonbuoyant support
10  DF  .~ Boring with submersible vertically movable guide
11  DF  BORING BY DIRECTLY APPLYING HEAT TO FLUIDIZE OR COMMINUTE
12  DF  .~ Combustion of the formation material
13  DF  .~ With introduction of slag forming flux
14  DF  .~ Combustion is confined chamber having restricted discharge orifice
15  DF  .~ Rotating the heating tool
16  DF  .~ Electrically produced heat
17  DF  WITH HEATING OR COOLING (1) WITHIN THE BORE, OR (2) DRILLING FLUID
18  DF  ICE BORING
19  DF  BORING WITHOUT EARTH REMOVAL (I.E., COMPACTING EARTH FORMATION)
20  DF  .~ Combined with earth removal (e.g., removing sample)
21  DF  .~ Fluid passage to exterior of drive point
22  DF  .~ Drive point detached from shaft to form cased bore or with installation of casing
23  DF  .~.~ Drive point retracted through shaft or casing
24  DF  AUTOMATIC CONTROL
25  DF  .~ Of fluid pressure below ground
26  DF  .~ Of boring means including a below-ground drive prime mover
27  DF  .~ Of advance or applied tool weight
38  DF  .~ In response to drilling fluid circulation
39  DF  WITH BIT WEAR SIGNAL GENERATING
40  DF  WITH SIGNALING, INDICATING, TESTING OR MEASURING
41  DF  .~ Ray energy detection or measuring
42  DF  .~ Indicating agent released in drilling fluid
44  DF  .~ Providing identifiable indication of core position in situ for core sample orientation
45  DF  .~ Tool position direction or inclination measuring or indicating within the bore
46  DF  .~ Signaling or indicating condition of cutting in cuttings retainer
48  DF  .~ Measuring or indicating drilling fluid (1) pressure, or (2) rate of flow
49  DF  .~ Transparent inspection feature
50  DF  .~ Indicating, testing or measuring a condition of the formation
51  DF  WITH SELF-ACTING CYCLIC ADVANCE AND RETRACTION OF TOOL OR TOOL SHAFT
52  DF  WITH MAGAZINE FOR SUCCESSIVELY MOVING UNCONNECTED, ORIENTED TOOL OR SHAFT SECTIONS TO USE POSITION
53  DF  ENLARGEMENT OF EXISTING PILOT THROUGHBORE REQUIRING ACCESSIBILITY TO EXISTING OPPOSITE BORE ENDS TO INSERT AND REMOVE TOOL
54  DF  BORING BY BELOW GROUND RECIRCULATION OF UNSUPPORTED ELEMENTS (E.G., SHOT)
55  DF  TOOL ACTUATION BY REACTION OF ROTATING ECCENTRIC MASS
56  DF  NATURAL VIBRATION CHARACTERISTIC OF AN ELEMENT OF BORING MEANS RELATED (1) TO NATURAL VIBRATION CHARACTERISTIC OF ANOTHER ELEMENT, OR (2) TO FREQUENCY OF AN IMPOSED MOTION
57  DF  PROCESSES
58  DF  .~ Sampling of earth formations
59  DF  .~.~ Retaining fluid or taking separate fluid sample
60  DF  .~.~ Transporting sample to surface by fluid
61  DF  .~ Boring curved or redirected bores
62  DF  .~ Boring horizontal bores
64  DF  .~ Chemical reaction with earth formation or drilling fluid constituent
65  DF  .~ Boring with specific fluid
66  DF  .~.~ Treating spent or used fluid above ground
67  DF  .~.~ Boring by fluid erosion
68  DF  .~.~ Anti-agglomeration treatment of gaseous drilling fluid
69  DF  .~.~ Combined liquid and gaseous fluid
70  DF  .~.~ Plural distinguishable liquids
71  DF  .~.~ Gaseous fluid or under gas pressure
72  DF  .~.~ Prevention of lost circulation or caving
73  DF  MEANS TRAVELING WITH TOOL TO CONSTRAIN TOOL TO BORE ALONG CURVED PATH
74  DF  .~ Sectional guide or shaft having means to lock sections in angular relation while boring
75  DF  .~ Normally curved guide or shaft
76  DF  .~ Axially spaced opposed bore wall engaging guides
77  DF  SIDE WALL TOOL FED LATERALLY WITHOUT ROTATION FROM INACCESSIBLE HOLE
78  DF  MEANS CARRIED BY HOUSING INSERTABLE IN INACCESSIBLE HOLE TO ADVANCE SIDE WALL TOOL LATERALLY
79  DF  TOOL SHAFT ADVANCED RELATIVE TO GUIDE INSERTABLE IN INACCESSIBLE HOLE TO CHANGE DIRECTION OF ADVANCE
80  DF  .~ Tool telescopes over guide having surface set at angle in hole
81  DF  .~ With anchor for guide engaging hole side wall
82  DF  .~ Guide carried by shaft to operative position
83  DF  .~.~ With clutch means acting between shaft and guide
84  DF  WITH ABOVE-GROUND CLEANER FOR BORING MEANS
85  DF  WITH ORIENTING OR RACKING MEANS FOR UNCONNECTED TOOLS OR SECTIONS OF SHAFT OR CASING
86  DF  WITH BELOW-GROUND PERSONAL ACCOMMODATION
87  DF  CONVERTIBLE
88  DF  WITH MEANS CARRYING CUTTINGS LATERALLY OF BORE AXIS COMPRISING (1) CHUTE, (2) CONVEYER, OR (3) VEHICLE
89  DF  TOOL ELEMENT OR CONTINUOUSLY DRIVEN FLEXIBLE OR ARTICULATED ENDLESS MEMBER
90  DF  .~ Flexible or articulated member carried on support swingable or laterally movable relative to bore axis
91  DF  BORING MEANS INCLUDING A CONTINUOUSLY ROTATING BIT DESCRIBING A NONCIRCULAR CROSS-SECTIONAL BORE
92  DF  WITH BELOW-GROUND TOOL DRIVE PRIME MOVER
93  DF  .~ Below-ground (1) generation of motive fluid, or (2) storage of motivating energy
94  DF  .~ With below-ground feed means
95  DF  .~ Plural below-ground drive prime movers
96  DF  .~.~ Plural cutter elements driven by individual prime movers
97  DF  .~ With means to anchor prime movers support to bore wall
98  DF  .~.~ Expansible anchor
99  DF  .~.~.~ Fluid-operated
100  DF  .~ Discharge passage for motive fluid directed toward bore entrance
101  DF  .~ With positive connection between tool and support shaft for rotary below ground motor
102  DF  .~ With below-ground conveyer or impeller for removal of cuttings
103  DF  .~ With above-ground means
104  DF  .~ Electric
105  DF  .~.~ Reciprocating
106  DF  .~ With mechanical motion-converting means
107  DF  .~ Fluid rotary type
108  DF  COMMON DRIVE OR ADVANCING MEANS FOR CONCURRENTLY BORING ALONG LATERALLY SPACED AXES
113  DF  WITH MEANS TO SIMULTANEOUSLY FEED AND ROTATE TOOL FROM A SINGLE MECHANICAL ELEMENT
114  DF  .~ Constant rotation rate permitted regardless of (1) release of feed force, or (2) change in feed rate
118  DF  .~ With feed anchor in earth wall being bored
121  DF  .~ Rotary drive for relatively advancing feed screw
122  DF  WITH MEANS TO FEED DRIVE
135  DF  WITH ABOVE-GROUND MEANS TO IMPACT AN EARTH-PENETRATING MEANS
161  DF  WITH ABOVE-GROUND MEANS TO MOVE TOOL TO A DUMPING LOCATION OFFSET FROM BORE
162  DF  WITH ABOVE-GROUND MEANS TO FEED TOOL
170  DF  WITH TOOL DRIVE PRIME MOVER OR ABOVE-GROUND MECHANICAL MOTION CONVERTING DRIVE MEANS
171  DF  .~ With installing casing
172  DF  .~ With endless flexible conveyer
173  DF  .~ With diversely operated shafts extending into bore
189  DF  .~ Drive reciprocates tool
195  DF  .~ Rotary drive for a relatively advancing tool (e.g., rotary table)
202  DF  ABOVE-GROUND MEANS FOR RELATIVELY MOVING BELOW-GROUND TOOL ELEMENTS
203  DF  WITH ABOVE-GROUND MEANS TO ADVANCE OR RETRACT BORING MEANS
205  DF  WITH MEANS PROVIDING PRESSURIZED GAS CONTACT WITH DRILLING LIQUID
206  DF  WITH ABOVE-GROUND MEANS FOR PREPARING OR SEPARATING DRILLING FLUID CONSTITUENTS
207  DF  WITH ABOVE-GROUND MEANS FOR HANDLING DRILLING FLUID OR CUTTING
208  DF  .~ Fluid spray
209  DF  .~ Fluid or cuttings directing or receiving means engaging bore entrance
210  DF  .~.~ Anchored to bore wall
211  DF  .~.~ Axially supported by tool shaft
212  DF  .~ Pressurized gas supply
213  DF  .~ With suction pump inlet communicating with bore bottom
214  DF  .~ Fluid head on tool shaft having lateral port and axial passage with seal for means reciprocable in the head
215  DF  .~ With tool shaft having plural passages for drilling fluid
216  DF  .~ Standpipe
217  DF  .~ With pump
218  DF  .~ With valve
219  DF  WITH PARTICULAR ACCOMMODATION FOR PERSONNEL (E.G., SEAT OR PROTECTOR)
220  DF  WITH ABOVE-GROUND GUIDE FOR RELATIVELY ADVANCING TOOL
226  DF  WITH SAMPLE COVERING OR COATING MEANS (1) DISPENSED INTO SAMPLE RECEIVER, OR (2) FLUENT
227  DF  WITH STORAGE MEANS FOR BIT LUBRICANT CARRIED BY BIT OR SHAFT
228  DF  .~ With fluid pressure-actuated feed means
229  DF  .~ Rotation of bit actuates lubricant feed means
230  DF  WITH EXPANSIBLE BORE WALL ANCHOR (E.G., PACKER)
231  DF  WITH MEANS MOVABLE RELATIVE TO TOOL BELOW GROUND TO CONTROL ECCENTRIC FLUID EMISSION
232  DF  WITH MEANS MOVABLE RELATIVE TO TOOL BELOW GROUND TO STOP FLOW TOWARD BORE BOTTOM
233  DF  .~ Movable to seal sample receiver at bore bottom pressure
234  DF  .~ With longitudinally spaced valve seats
235  DF  .~.~ Seat engaged to stop upward flow
236  DF  .~ In sample receiver removable through below-ground tool shaft
237  DF  .~ Means comprises dropped element
238  DF  .~ Flow-stopping means includes relatively movable cutter element
239  DF  .~ With undisturbed core receiver
240  DF  .~.~ Movable means adapted to underlie severed core
241  DF  .~ Stops flow by movement about fixed pivot
242  DF  .~.~ Pivot transverse to tool axis
243  DF  .~ Resiliently biased or composed of flexible material
244  DF  WITH MEANS MOVABLE RELATIVE TO TOOL TO RECEIVE, RETAIN, OR SEVER UNDISTURBED CORE
245  DF  .~ Core bit closure relative upwardly movable by core
246  DF  .~ Receiver removable through below-ground tool shaft
247  DF  .~.~ With fluid pressure-responsive means to remove receiver or operate latch
248  DF  .~.~ Core forming cutting edge or element on receiver
249  DF  .~ Core-retaining or severing means
250  DF  .~.~ Fluid-actuated
251  DF  .~.~ Actuated upon relative movement between tool and tool shaft
252  DF  .~.~.~ Relative rotary movement
253  DF  .~.~ With element holding retaining or severing means inactive
254  DF  .~.~ Mounted on transverse pivot
255  DF  .~.~ Sliding wedge type (e.g., slips)
256  DF  WITH RELEASABLE MEANS NORMALLY HOLDING JOINTED SHAFT SECTIONS IN ANGULAR RELATION
257  DF  TOOL REMOVABLE OR INSERTABLE THROUGH OR AROUND DRIVING OR DRIVEN SHAFT OR CASING
258  DF  .~ Laterally shiftable cutter element movable through shaft
259  DF  .~.~ Plural cutter elements longitudinally relatively movable into transverse alignment
260  DF  .~.~ Cutter element engages torque transmitting abutment on shaft when expanded
261  DF  .~.~.~ With additional torque transmitting abutment on bit head and shaft
262  DF  .~ Tool movable exteriorly of shaft
263  DF  CUTTER ELEMENT LATERALLY SHIFTABLE BELOW GROUND (E.G., EXPANSIBLE)
264  DF  .~ With separable means holding tool collapsed above ground only
265  DF  .~ Plural cutter elements longitudinally relative movable into transverse alignment
266  DF  .~ Plural selectively shiftable cutter elements
267  DF  .~ Cutter element shifted by fluid pressure
268  DF  .~.~ With dropped element
269  DF  .~.~ Fluid pressure acts against spring biased part
270  DF  .~ Cutter element shifted by dropped element
271  DF  .~ With latch operated by fluid pressure or dropped element
272  DF  .~ Cutter element shifted by relatively longitudinally movable threaded elements
273  DF  .~ Cutter element shifted by cam or gear axially rotatable relative to shaft
274  DF  .~ With shifting mechanism spring biased to operative position
275  DF  .~.~ With separate latch
276  DF  .~.~.~ Frangible or discardable element
277  DF  .~.~.~ Latch holds mechanism retracted
278  DF  .~.~.~.~ Latch return shifting mechanism to inoperative position
279  DF  .~.~ Cam or gear means movable to shift cutter element
280  DF  .~.~.~ With forwardly extending noncutting portion
281  DF  .~.~ Cutter element substantially longitudinally movable on shaft
282  DF  .~.~.~ Plural elements expanded into single socket
283  DF  .~.~.~ With forwardly extending noncutting portion
284  DF  .~ Cutter element shifted by longitudinally relatively movable parts
285  DF  .~.~ Toggle or linkage between movable parts
286  DF  .~.~ Cam or gear engaging cutter element
287  DF  .~.~.~ With separate latch holding cutter element in shifted position
288  DF  .~.~.~ Cutter element substantially longitudinally movable on shaft
289  DF  .~.~.~ Cutter element spring biased to retracted position
290  DF  .~ With latch
291  DF  .~ Spring biased
292  DF  .~ Pivoted about substantially longitudinal axis
293  DF  BELOW-GROUND (1) HAMMER, OR (2) IMPACT MEMBERS
294  DF  .~ Combined with safety joint
295  DF  .~ With noncutting portion forwardly of sleeve impact member having a cutting portion (e.g., reamer)
296  DF  .~ Fluid-operated
297  DF  .~.~ Restricted orifice for initially delaying escape of restraining fluid
298  DF  .~ Continuous unidirectional rotary motion of one telescoping member effects consecutive impacts
299  DF  .~ Resiliently biased
300  DF  .~ With releasable means to detachably retain telescoping members against axial reciprocation
301  DF  .~.~ Frangible
302  DF  .~.~ Condition for release adjustable
303  DF  .~.~.~ Adjustable below ground
304  DF  .~.~ Resiliently biased latch
305  DF  .~ Telescoping members relatively rotatable
306  DF  .~.~ With means to couple members to prevent relative rotation
307  DF  WITH CUTTING EDGE COVER
308  DF  WITH RECEPTACLE
309  DF  .~ Removable or insertable through below-ground tool shaft
310  DF  .~ With helical conveyer
311  DF  .~ Suspended below bit
312  DF  .~ Sieve or strainer
313  DF  WITH MECHANICAL CLEANER FOR BIT OR CUTTER ELEMENT
314  DF  WITH WELL-TYPE SCREEN
315  DF  COMBINED
316  DF  WITH RELATIVELY MOVABLE PARTS TO FACILITATE CLEANING WITHOUT DISASSEMBLY
317  DF  WITH MEANS MOVABLE RELATIVE TO TOOL OR SHAFT TO CONTROL BELOW-GROUND PASSAGE
318  DF  .~ Valve prevents upward flow
319  DF  BELOW-GROUND MECHANICAL MOTION CONVERTING MEANS RELATIVELY MOVING PLURAL CUTTING EDGES
320  DF  WITH TOOL SHAFT DETAIL
321  DF  .~ Axially telescoping shaft section
322  DF  .~.~ Telescoping motion related to relative axial rotation or oscillation
323  DF  .~ Helix or helically arranged structure
324  DF  .~ Means other than tool structure to induce fluent flow
325.1  DF  .~ Shaft carried guide or protector
325.2  DF  .~.~ Coupled between shaft sections or bit and shaft section
325.3  DF  .~.~.~ With bore wall engaging means rotatable relative to shaft section (e.g., with bearings)
325.4  DF  .~.~.~ Having removable inserts
325.5  DF  .~.~ Surrounding existing shaft section
325.6  DF  .~.~.~ Held by a fastener parallel to shaft axis
325.7  DF  .~.~.~ Held by discrete fastening means tangential to shaft axis
326  DF  .~.~ Engaging means advances in adjacent hole
327  DF  BIT OR BIT ELEMENT
331  DF  .~ Rolling cutter bit or rolling cutter bit element
332  DF  .~.~ Core forming-type bit
333  DF  .~.~.~ With core-breaking means
334  DF  .~.~ Bit with leading cutter forming smaller diameter initial bore
335  DF  .~.~.~ Leading fixed cutter
336  DF  .~.~ Rolling cutter bit with fixed cutter
337  DF  .~.~ With drilling fluid supply to bearing
338  DF  .~.~ With rotary or endless carrier
339  DF  .~.~ With drilling fluid conduit details
340  DF  .~.~.~ Fluid conduit lining or element (e.g., slush tube or nozzle)
341  DF  .~.~ Plural rolling cutters with intermeshing teeth
342  DF  .~.~ Adjustable cutter element
343  DF  .~.~ Wobbling cutter
344  DF  .~.~ Noncutting portion forwardly of rolling cutter (e.g., reamer)
345  DF  .~.~.~ Longitudinal axis cutter
346  DF  .~.~.~.~ Separable support for cutter axle
347  DF  .~.~.~.~ Removable axle or bushing
348  DF  .~.~ Longitudinal axis cutter
349  DF  .~.~.~ With transverse axis cutter
350  DF  .~.~ Laterally offset cutter axis
351  DF  .~.~.~ Disk blade
352  DF  .~.~.~.~ Plural coaxial cutters
353  DF  .~.~.~ Cone or frustum rolling cutter
354  DF  .~.~ Axle rotatable with cutter
355  DF  .~.~ Circumferentially displaced cutter axes
356  DF  .~.~.~ Stub axle only
357  DF  .~.~.~ Detachable multiaxis support or spider
358  DF  .~.~.~ Mutually contacting cutter supports
359  DF  .~.~.~.~ With bearing or seal details
360  DF  .~.~ Cross axle with stub axle
361  DF  .~.~ Cross axle
362  DF  .~.~.~ Vertically disaligned cross axle sections
363  DF  .~.~.~ Separable supports
364  DF  .~.~.~ Removable cross axle or bushing
365  DF  .~.~ Outwardly directed stub axle
366  DF  .~.~ Separable support for stub axle
367  DF  .~.~ Detachable stub axle, bushing or bearing
368  DF  .~.~.~ Releasable cutter securing device
369  DF  .~.~ Stub axle cutter securing means
370  DF  .~.~.~ Released by antifriction bearing disassembly
371  DF  .~.~ With bearing or seal details
372  DF  .~.~.~ Antifriction type
373  DF  .~.~ Disk cutter
374  DF  .~.~ Specific or diverse material
375  DF  .~.~.~ Welded
376  DF  .~.~ Nonsymmetrical bit (e.g., nontracking)
377  DF  .~.~ Spiral rib or tooth row
378  DF  .~.~ Irregular tooth cutter row
379  DF  .~ Cutting edge self-renewable during operation
380  DF  .~ Unsupported abrading particle type (e.g., shot)
381  DF  .~ Cutting edges relatively longitudinally movable during operation
382  DF  .~ Adjustable cutter element
383  DF  .~.~ Adjustment presents different cutting edge
384  DF  .~.~ Radially adjustable
385  DF  .~ Bit with leading portion (e.g., pilot) forming smaller diameter initial bore
386  DF  .~.~ Leading portion is separable starter
387  DF  .~.~ Leading portion is core forming type
388  DF  .~.~ Leading portion is a screw
389  DF  .~.~ Impact type
390  DF  .~.~.~ Plural larger diameter steps
391  DF  .~.~ Plural larger diameter steps
392  DF  .~.~ Leading portion is forked rotary type
393  DF  .~ With fluid conduit lining or element (e.g., slush tube)
394  DF  .~ With helical-conveying portion
395  DF  .~.~ Impact type
396  DF  .~ Axially parallel side wall with transverse cuttings retaining portion
397  DF  .~ Forked rotary nontracking
398  DF  .~ Nonsymmetrical bit
399  DF  .~.~ With bore wall engaging guide
400  DF  .~.~ Nonsymmetrical arrangement of opening for cuttings or fluid
401  DF  .~ Cutting edges facing in opposite axial directions
402  DF  .~ Casing shoe type
403  DF  .~ Core forming type
404  DF  .~.~ With core-breaking means
405  DF  .~.~ Impact or percussion type
405.1  DF  .~.~ Includes diamond
406  DF  .~ Noncutting portion forwardly of cutting portion (e.g., reamer)
407  DF  .~.~ Impact type
408  DF  .~ With bit guide or bore wall compacting device
412  DF  .~ Plural separable cutter elements
413  DF  .~.~ Independently attachable
414  DF  .~ Impact or percussion type
415  DF  .~.~ Combined with rotary
416  DF  .~.~ Noncircular bore cutter
417  DF  .~.~ With internal-fluid passage
418  DF  .~.~.~ Plural openings
419  DF  .~.~.~ Cruciform
420  DF  .~.~ Cruciform
420.1  DF  .~.~ Insert
420.2  DF  .~.~.~ Includes diamond
421  DF  .~ Symmetrical forked rotary type (e.g., fishtail)
328  DF  .~ Magnetized or with magnet
425  DF  .~ Specific or diverse material
426  DF  .~.~ Insert
427  DF  .~.~.~ For a mine roof drill bit type
428  DF  .~.~.~ Preformed cutting element (e.g., compact) mounted on a distinct support (e.g., blank, stud, shank)
429  DF  .~.~.~.~ Including a nozzle
430  DF  .~.~.~.~ Having a noncircular or nonplanar cutting face
431  DF  .~.~.~.~ Having a particular orientation or location
432  DF  .~.~.~.~ With support detail
433  DF  .~.~.~.~ Having a specified thermal property
434  DF  .~.~ Diamond
435  DF  .~.~ Welded, brazed, or soldered
424  DF  MISCELLANEOUS (E.G., EARTH-BORING NOZZLE)
423  DF  WEDGING SLIP ASSEMBLY FOR SUPPORTING A PIPE OR ROD