ROCK BIT COMPARISON CHART |
ROLLER CONE BIT |
SEALED ROLLER BEARING GAGE PROTECTED |
SEALED FRICTION BEARING GAGE PROTECTED |
Series |
FORMATIONS |
Types |
Kingdream |
Hughes Christensen |
Smith |
Reed-Hycalog |
Security DBS |
Kingdream |
Hughes Christensen |
Smith |
Reed-Hycalog |
Security DBS |
1 |
Soft formations with low compressive strength and drillability |
1 |
SKG114,SKG115,
GA114,
GAT114,GJ114,
GJT114,GA115,
GAT115,
GJ115,GJT115,
SWT115 |
GTX-1,GTX-G1 |
MSDSH,
MSDSSH,XR+ |
T11,EMS11G ETS11G |
XT1 |
MD117,SMD117,SWT117,
HA116,HAT116,HA117,
HAT117,HJ116,HJT116,
HJ117,HJT117 |
GT-1,GT-G1H,GX-1V,GX-1X,MX-1,MXL-1,MX-X1,STX-1 |
FDS,FDS+,XR+ |
HP11,TC10,
TC11,RT1G, |
XS1 |
2 |
SKG124,SKG125,
GA124,
GAT124,GJ124,
GJT124,GA125,
GAT125,
GJ135,GJT125,
SWT125 |
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MD127,SMD127,SWT127,
HA126,HAT126,HA127,
HAT127,HJ126,HJT126,
HJ127,HJT137 |
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FDT |
HP12,SL12 |
QH2 |
3 |
SKG214,SKG135,
GA134,GAT134,GJ134,
GJT134,GA135,
GAT135,
GJ135,GJT135 |
GTX-3,GTX-G3 |
GGH+,MSDGH,
SDGH,MGGG+ |
T13,ETS13G, |
XT3 |
MD137.SMD137,HA136,
HAT136,HA137,HAT137,
HJ136,HJT136,
HJ137,HJT137 |
MX-3 |
FDGH,MFDGH |
HP13,HP13G |
QH3 |
2 |
Medium to medium hard formations with high compressive strength |
1 |
SKG214,SKG215,
GA214,GAT214,
GJ214,GJT214,GA215,
GAT215,GJ215,
GJT215 |
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SVH,MSVH |
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XT4 |
MD217,HA216,HAT216,
HA217,HAT217,
HJ216,HJT216,
HJ217,HJT217 |
ATJ-G4,ATJ4 |
FVH,GFVH |
HP21G |
QH4,XS4 |
2 |
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3 |
Hard semi-abrasive and abrasive formation |
1 |
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HA316,HA317 |
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2 |
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4 |
Soft Formations/
Low-Compressiv e Strength |
1 |
SKG415,GA415,
GAT415,
GJ415,GJT415 |
GTX-00,GX-00,MAX-GT00,MXL-00,GTX-03,GX-03,MAX-GT03,MXL-03 |
GSi01B,GS01,
GS01B GS02B,GS02T,
GS03B,
GSi03B,G04B,
GS04B,TCTi01 |
T41,EMS41H |
XT00-05,EBXT00-05 |
MD417,MD417X,
SMD417,SMD417X,
HA417,HAT417,
HJ417,HJT417 |
GT-00,MX-00,GT-03 MX-03 GX-00,GX-03 STR-03,H-03 MXL-00,MXL-03 |
GFSi01,GFS04,
GFS04B MFS04 MFi04 |
TD41H,TD41,
TD41A,R01A R03A |
XS00-05,
XL00-05,EBXS00-05,ENXS00-05,XS5 |
2 |
GA425,GAT425,
GJ425,GJT425 |
GTX-03C |
GS05,GS05B,
GSi06B,
G08B,GS08B |
T42,EMS42H,
EMS41H |
XT06-08,EBXT00-05 |
MD427,SMD427,HA427,
HAT427,HJ427,HJT427 |
STR-05C,HX-05C |
GF05,GF05B,GFi05B GFSi06,MF05B |
TD42H R07A |
XS06-09,
XL06-09 EBXS06-09 EBXL06-09 |
3 |
SKG435,GA435
,GAT435,
GJ435,GJT435 |
GTX-09,MAXGT-09,MX-09,GTX-11,MAX11 MX11S,MXL-09 |
G10B,G10T,
GS10B,GSi12B
GSi12UB,TCT0 |
T43,EMS43A,
EMS43H |
XT10-13,EBXT10-13 |
MD437,MD437X,
SMD437,SMD437X,
YC437HA437,HAT437,
HJ437,HJT437 |
GT-09,STR-09 STX-09,STX-09H HX-09,GX-11,MX11H MXL-09,MXL-11 |
F10,F10B,F12,
F12Y,GF08B GF10B,
GF10HB,GFS10B GF12T,XR12,MF10T,
MFS10T XR10T ,TCT11,TCT12 |
SL43H,TD43 TD43A,
TD43HD43,
HP43A HP43H,R09A R12A,RD,R1412 |
XS10-13,
XL10-13 EBXS10-13 EBXL10-13 |
4 |
SKG445,GA445,
GAT445,
GJ445,GJT445 |
MAXGT-18 MX-18 |
GSi15B,G15 GSi18B GSi20B,G11Y,
M15S 15JS |
T44,EMS44H,
EMS44A |
XT14-17,EBXT14-17 |
MD447,MD447X,MD447Y,
SMD447,447X,
SMD447Y,
HA447,HAT447,
HJ447,HJT447,
HJ447X,HJT447X |
GT-18,STR-18 STX-18,H-18,HX-18 GX-18, MX-18 MXL-18 |
FH16,FH16B,
FHi18,MF15 MF15T,
MF15B,
MF19,
GF15 GF15B,GF15Y,
GFS15B XR15,XR15T,
XRi15G |
TD44,TD44H TD44X,
D44HP44H,
HP44X R14A,RD15 R15A,R15 |
XS14-17
XL14-17 EBXS14-17 EBXL14-17 |
5 |
Soft to Medium-Hard Formations/Low-Compressive Strength |
1 |
GA515,
GAT515,GJ515,
GJT515,
GJ515YGJT515Y |
GTX-20,MAXGT-20,MX-20,MXL-20,GTX-22,MX-22 |
G20,GS20B,G25 G20B,20GMS,2JS GSi20B |
T51,EMS51A EMS51H |
XT18-23,EBXT18-23 |
MD517,MD517X,
SMD517K,
SMD517X,SMD517Y,YC517,
HA517,HAT517,
HA517Y,HJ517,
HJ517GK,
HJ517,HJT517GK |
GT-20,STR-20 STX-20,H-20,HX-20 GX-20 MX-20,GX-22 MX-22,GX-23 GX-25 MXL-20 |
F15H,F2,MF2,MF15H FHi20,FHi21,
FHi23,GFi20 GF21,GF25,GFS20 MFS20,XR20,
XR20B,XR25 F25Y,GF20Y,
XR20Y,TCTi20 |
SL51H,TD51 TD51A,TD51H TD51X,D51,
HP51H P51A,HP51X,
R19A,R20A R21A,R22A,RD21 |
XS18-23
XL18-23 EBXS18-23 EBXL18-23 |
2 |
GA525,
GAT525,
GJ525,
GJT525,GJ525Y,
GJT525Y |
GTX-20C MAX-GT20CG MX-20C,MX-28G |
G28B |
T52,EMS52H |
XT24-27,EBXT24-27 |
MD527,MD527X,SMD527,
SMD527X,YC527,HA527,
HAT527,HA527Y,HJ527,
HJ527GK,
HJ527,HJT527GK |
GT-20C,GT-28,H-28 HX-28,GX-20C GX-28,MX-20C,MX-28 MXL-28 |
GF26,F27,
GFS28,FHi28 GFi28B,FHi29,
FHi25,F26Y MF26Y,FHi24Y,
F27Y,
F27IY GF27Y,XR20TY |
TD52,TD52A,
TD52H TD52i,TD52X,
HP52 HP52X R24A,R25A R26A,
RD25,R27 R28A |
XS24-27 XL24-27 EBXS24-27 EBXL24-27 |
3 |
GA535,GAT535,
GJ535,GJT535,
GJ535X,GJT535X,
GJ535Y,GJT535Y |
MX-30H MAX-GT30 |
G30,GS30B,3JB |
T53,EMS53 EMS53A,
ETS53A |
XT28-33,EBXT28-33 |
MD537,MD537K,MD537X,
MD537Y,
SMD537,SMD537K,
SMD537X,SMD537Y,
YC537,A537,HF537,
HF537Y,HA537,
HA537,HAT537,
HA537Y,HJ537,HJ537GK,
HJT537,HJ537TGK |
STR-30,STX-30 GT-30,STX-35,GX-30 H-30 HX-30,MX-30 MXL-30 |
F3,F30,FH30,F30T FHi30,FHi31,
FH32,GF30 GF30B,GF30T,MF30T XR30,XR32,
F30Y,FH30Y |
SL53,SL53A,TD53 TD53A,TD53B TD53H,
D53,HP53 HP53A,HP53H JA53,R30,R30A RD33 |
XS28-33
XL28-33 EBXS28-33 EBXL28-33 |
4 |
GA54G,GJ545,
GJ545X,GJ545Y |
GTX-30C,GTX-33 MAX-GT30CG MX-33CG |
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T54 |
XT34-39,EBXT34-39 |
MD547,MD547K,
MD547X,MD547X,
SMD547,SMD547K,
SMD547X,
SMD547Y,A547,HF547,
HF547Y,HA547,HAT547,
HA547Y,HJ547,HJ547GK,
HJT547,HJT547GK |
GT-30C,STR-30C,STR-35C,STX-30C,HR-38C HR-30C,HR-35,GX-30C GX-35,GX-38,MX-35C |
FHi35,GFi35,
F30Y,F37Y FHi37Y,
FHi38Y,
F39Y,GFi35YG F37Y,XR30Y,
XRi35,XR35Y |
TD54A TD54X,TD54 R34A,R35A R36A |
XS34-39
XL34-39 EBXS34-39 EBXL34-39 |
6 |
Medium-Hard Formations/
Compressive Strength |
1 |
GA615,GJ615,
GJ615X,GJ615Y |
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G40,G40Y,
G40YB 4JS |
ETS61A |
XT40-45,EBXT40-45 |
MD617,MD617Y,SMD617,
SMD627Y,A716,HF617X,
HF617Y,YC617,HA617,
HA6617Y,HJ617,HJ617Y |
STR-40,HR-40,HR-44 STX-40,GX-44,MX-40 MX-44 |
FH40,FHi45,F40,
F45H,MF4H GF40H,
GF40Y,
Xr38,XR40 XR45Y,
F40Y,
F40YA,F47Y F47YA,
FH43Y,
GF47Y |
SL61,SL61A TD61,TD61A HP61A,HP61H R40A,R40 |
XS40-45 XL40-45 EBXS40-45 EBXL40-45 |
2 |
GA625,GJ625,
GJ625X,GJ625Y |
GT-40C,MX-44C |
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EMS62 |
XT46-51,EBXT46-51 |
MD627,MD627Y,SMD627,
SMD627Y,A627,HF627X,
HF627Y,HA627,HA627Y,
HJ627,HJ627Y |
STR-40C,STR-44C STX-44C,HR-40C HR-44C,GX-44C GX-45C,MX-40C MX-44C,MXL-44C |
F50,FHi50,FHi50Y F46HY,F47HY,
GF45Y,GF50Y,
XR40Y,XR40YA,
XR45Y,XR50 |
SL62,SL62A,
SL62X TD62,TD62A HP62,HP62A HP62H,JA62 R44A,R45,R48 |
XS46-51 XL46-51 EBXS-46-51 EBXL-46-51 |
3 |
GA635,GJ635,
GJ635X,GJ635Y |
MX-55 |
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XT52-58 |
MD637,MD637Y,SMD637,
SMD637Y,A637,HF637X,
HF637Y,YC637,HA637,
HA637Y,HJ637,HJ637Y |
STR-50,STR-50A STX-50,HR-50,HR-55 GX-55,MX-50,MX-55 |
F57Y,F57HY GF50YB,F50YA,XR50Y |
SL63,TD63 HP63,R50 |
XS52-58 XL52-58 EBXS-52-58 EBXL52-58 |
4 |
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XT61-69 |
HF647,MD647,SMD647,
A647,HJ647,HA647 |
HR-60,HR66,HR-68 STX-60,MX-66,MX-68 |
F59Y,F59HY,F67Y GF67Y,XRi65Y |
TD64,TD64H HP64,HP64H R60,R65 |
XS61-69
EBXS61-69 |
7 |
Hard semi-Abrasive and Abrasive Formation |
1 |
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2 |
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XT71-75 |
HF727,HJ727,HA727 |
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XS71-75, EBXS71-75 |
3 |
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XT77-81 |
HF737,HJ737,HA737 |
STR-70,STX-70 HR-70 |
F7,XR68Y XR68HY,
XR70Y |
SL73 HP73 |
XS77-81,
EBXS77-81 |
4 |
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XT83-89 |
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XR75Y |
TD74,HP74,R75 |
XS83-89 ,
EBXS83-89 |
8 |
Extremely Hard and Formations |
1 |
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XT91-93 |
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HR-80,HR-88,STX-80 STX-88,STR-80,MX-88 |
F80Y,GF80Y,
XR80Y |
TD81,HP81 R80,R85 |
XS91-93 ,
EBXS91-93 |
2 |
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XT95-97 |
HF827,HJ827,HA827 |
HR-89 |
F85Y |
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XS95-97 ,
EBXS95-97 |
3 |
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XT99 |
HF837,HJ827,HA827 |
HR-90,HR-99,STX-90,STX-99 STR-90,HR-95,GX-95,MX-99 |
F90Y,FHi90Y,
XR90Y |
SL83,TD83 HP83,R90,R95 |
XS99 ,
EBXS99 |
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