s | Elastomer sealed roller bearing tri-cone bit |
Non-sealed roller bearing tri-cone bit | |
SJ | Metal sealed bearing tri-cone bit |
sv | Six-point position-stabilized motor tri-cone bit |
SG | Improved sealed roller bearing tri-cone bit |
SK | Air-cooling roller bearing tri-cone bit |
SL | Pilot reamer |
SD | Single cone bit |
8 | 1/2 | 215.9 | SVT437G | SVT447G | SVT517G | SVT527G | SVT537G | SVT547G | SVT617G |
9 | 1/2 | 241.3 | SVT437G | SVT447G | SVT517G | SVT527G | SVT537G | SVT547G | SVT617G |
12 | 1/4 | 311.1 | SVT437G | SVT447G | SVT517G | SVT527G | SVT537G | SVT547G | SVT617G |
IADC | Recommendation WOB(Kn/mm ) Rotary speed(r/min) | Applicable formation | |
437 447 | 0.35-0.9 | 240~70 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft shale, soft limestone, etc. |
517527 | 0.35-1.0 | 220~60 | Soft formations with low compressive strength, such as mudstone, gypsum, salt, soft shale, soft limestone, etc. |
537 547 | 0.45-1.0 | 220~50 | Soltto medium formations with low compressive strength, such as medium soft shale, medium soil limestone, medium sof! sandstone, medium formation with harder and abrasiver interbeds, etc. |
617 | 0.45-1.1 | 200 ~ 50 | Medium hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc. |
BIT SIZE | BIT TYPE | |
IN | MM | |
31/2 | 88.9 | S527C |
4 5/8 | 117.5 | S126 S517 |
4 3/4 | 120.7 | S116C |
5 7/8 | 149.2 | S216 S537 S547 S637 |
6 | 152.4 | S117W S216 S246 S517 S547 |
6 1/4 | 158.8 | S127W S247 S517 S527 S547 S637 |
6 1/2 | 165.1 | S127W S217 S517 S537 |
6 3/4 | 171.5 | S116GW S447 S537 |
7 1/2 | 190.5 | S127W S217 S517 ST517 S527 ST527 S617 |
7 7/8 | 200.0 | S117GW S437G S517G S527G S537G S547G S547GY S617GY S627G S637GY |
8 3/8 | 212.7 | S217 S527 S547 |
8 1/2 | 215.9 | ST117W ST127W S137W S217 S247 ST437GK ST447GK ST517GK ST527GK ST537G ST547G S617G S627G S637G |
8 3/4 | 222.3 | S116GW S437GK ST517G S537G S627G |
9 1/2 | 241.3 | ST117CW ST127GW ST417G ST437G ST517G ST527G ST537G ST547G ST617G |
9 5/8 | 244.5 | ST437G ST517G S527G S537G S547G S617G |
9 7/8 | 250.8 | S117GW ST417GK ST437G ST517G S527G S537G S547G |
10 | 254.0 | S126W |
10 5/8 | 269.9 | ST127GW S217G ST437G ST517G ST547G |
11 | 279.4 | S117GW S517G S537G |
115/8 | 295.3 | S117GW S127GW S137GW S217G ST417G ST517G ST537G ST547G |
BIT SIZE | BIT TYPE | |
IN | MM | |
12 | 304.8 | S126W S216 ST517 ST537 ST547 S617 |
121/4 | 311.2 | ST117W S127W S137 ST417GK ST437G ST517G ST527G ST537G ST547G ST617GY S627G S637G |
12 3/8 | 314.0 | ST437G ST517G ST527G ST537G ST547G ST617GY |
12 15/32 | 316.5 | ST437G ST517G ST527G ST537G ST547G ST617GY S627G S637G |
131/8 | 333.4 | ST437G ST517G ST527G ST537G ST547G |
13 5/8 | 346.1 | S437G S517G S537G |
13 3/4 | 349.3 | S437G S517G S537G |
14 3/4 | 374.7 | S117GW S127GW S137G S517G S527G |
151/2 | 393.7 | S127GW S217G S517G S527G S537G S547G |
16 | 406.4 | ST117GW ST127GW S127G ST517G ST527G S535 ST537G ST547G S545 |
171/2 | 444.5 | ST117GW S127W S137 ST437G ST517G ST527G ST537G ST547G |
18 | 457.2 | ST547G |
181/2 | 469.9 | S547G |
IADC | Recommendation | APPLICABLE FORMATION | ||
WOB(KN/mm) | Rotary speed(r/min) | |||
116 | 117 | 0.35-0.8 | 150-80 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
126 | 127 | 0.35-0.9 | 150-70 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc. |
136 | 137 | 0.35-1.0 | 120-60 | Soft tomedinsoit ioimalions withlow compressive strength arrifiji drilatxity.suchas medunsoit shale, hardgypsum, medium soft Inestone, medium soft sandstone, soil ioimationwithharderinieibeds.etc. |
216 | 217 | 0.41.0 | 100-60 | Medium formations with high compressive strength, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds, etc. |
246 | 247 | 0.41.0 | 80-50 | Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble, etc. |
417 437 447 | 0.35-0.9 | 150-70 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft shale, soft limestone, etc. | |
517 | 527 | 0.351.0 | 140-60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc. |
537 | 547 | 0.45-1.0 | 120-50 | Soft to medium fo rmations with low compressive strength, such as medium soft shale, medium soft limestone, medium soil sandstone, medium formation with harder and abrasiver inteibeds, etc. |
617 | 627 | 0.45-1.1 | 90-50 | Medium hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc. |
637 | 0.5-1.2 | 80-40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marble, etc. |
SIZE | BIT TYPE | |
IN | MM | |
5 7/8 | 149.2 | S214 |
7 1/2 | 190.5 | S124C S134C S244C |
7 7/8 | 200.0 | S124 S124 S134 |
8 3/8 | 212.7 | S215 |
8 1/2 | 215.9 | S124W S134 |
9 1/2 | 241.3 | S124G |
9 5/8 | 244.5 | S114G S124G S134G |
9 7/8 | 250.8 | S115GW |
9 1/2 | 241.3 | S124G |
10 5/8 | 269.9 | S115GW S125GW S215G |
11 | 279.4 | S115GW |
115/8 | 295.3 | S115GW S125GW S215G |
12 | 304.8 | S124W |
12 1/4 | 311.2 | ST115GW ST125GW S135 S214 S244 S324 |
13 5/8 | 346.1 | ST115GW S124W |
13 3/4 | 349.3 | ST115W ST125W ST135W |
14 3/4 | 374.6 | S115GW S125GW S135GW |
15 | 381.0 | S124G S244G |
15 1/2 | 381.0 | S115GW S125GW S135GW S215G |
17 1/2 | 444.5 | S115GW S125GW S135G S215G |
19 1/4 | 489.0 | S115CGW S225CG |
20 | 508.0 | S125CGW S215CGW S515CG ST515CG S525CG ST525CG ST545CG |
22 | 558.8 | S125C |
24 | 609.0 | S125C |
26 | 660.4 | S124C S134C S525CG |
36 | 914.4 | S124CW |
IADC | Recommendation | APPLICABLE FORMATION | ||
WOB(KN/mm) | Rotary speed(r/min) | |||
114 | 115 | 0.3-0.75 | 180-60 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
124 | 125 | 0.3-0.85 | 180-60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc. |
134 | 135 | 0.3-0.95 | 150-60 | Soitto medimsoit iormalionswilhlow compresswe strenglhandN^i drilatifity,su;has medunsolt shale, hard gypsum, medium soil linestone, medunsoit sandstone, soft formation with harder iiterbeds.etc. |
214 | 215 | 0.35-0.95 | 150-60 | Medium formations with high compressive strength, such as medium soft shale, hard gypsum, fnediumsoft limestone, medium soft sandstone, soft formation with harder interbeds, etc. |
244 | 0.35-0.95 | 150-50 | Medium hard formations with high compressive strength, such as abrasive shale, limestone,sandstone, dolomite, hard gypsum, marble, etc. | |
324 | 0.4-1.0 | 120-50 | Medium abrasive formations, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble, etc. | |
515 | 525 | 0.35-0.9 | 180-60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum,salt, soft shale, soft limestone, etc. |
535 | 545 | 0.35-.0 | 150-60 | Soft lo medium formations with low compressive strength, such as medium soft shale,medium soft limestone, medium soft sandstone, medium formation with harder and abrasiver interbeds, etc. |
615 | 625 | 0.45-1.1 | 120-50 | Medium hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc. |
635 | 0.5-1.2 | 100-40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marble, etc. |
SIZE | BIT TYPE | ||||
IN | MM | ||||
4 1/4 | 107.9 | S131C S321C | |||
4 5/8 | 117.5 | S241C | |||
4 3/4 | 120.6 | S241C | |||
5 5/8 | 142.9 | S121 | S241 | S321 | |
6 | 152.4 | S211 | |||
6 1/4 | 158.7 | S121 | S241 | S321 | |
6 3/4 | 171.4 | S121 | S241 | S321 | |
7 1/2 | 190.5 | S121 | |||
7 7/8 | 200.0 | S121 | S131 | S241 | S321 |
9 7/8 | 250.8 | S121 | S211 | S241 | S321 |
12 1/4 | 311.1 | S211 |
SIZE | BIT TYPE | |
INCH | MM | |
16 | 406.4 | SGT115GW |
17 1/2 | 444.5 | SGT115GW SG125G SG135G SGT435G SGT515G SGT525G SGT535G SGT545G SGT615G SGT625G SGT635G |
20 | 508.0 | SG125CGW SG215CGW |
IADC | Recommendation | Applicable formation | |
WOB (KN/MM) | Rotary speed (r/min) | ||
115 | 0.3-0.75 | 200-80 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
125 | 0.3-0.85 | 200-80 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc. |
135 | 0.3-0.95 | 180-80 | Soft to medium soil iormalions with low compressive si renglh and high drllatifity, such as merlin soft shale, hard gypsum, mediunsolt Smeslone, medium solt sandstone, soft iofmalionwllh harder interbeds, elc. |
215 | 0.35-0.95 | 180-80 | Medium formations with high compressive strength, such as fnediumsoft shale, hard gypsum, medium soft lifnestone, medium soft sandstone, soft formation with harder interbed, etc. |
435 445 | 0.35-0.95 | 150-60 | Medium formations with high compressive strength .such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds, etc. |
515 | 0.3-0.8 | 200-80 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft shale, soft limestone, etc. |
535 545 | 0.35-0.9 | 180-80 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone, etc. |
615625 | 0.35-1.0 | 180-80 | Medium hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc. |
635 | 0.4-1.1 | 150-60 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite, hard gypsum, marble, etc. |
Size | IADC | Blades | Nozzles Cutter size Gauge length Junk slot volume API Pin | ||
in | in | in in2 | in | ||
6 | M332 | 4 | 4 1/2 | 1.5 4.1 | 3 1/2 |
8 1/2 | M332 | 4 | 4 1/2 | 2 16.8 | 4 1/2 |
Size | Flow rate | RPM | WOB |
in | L/s | rpm | KN |
6 | 14-25 | 60~240 | 8-45 |
8 1/2 | 25~38 | 60 ~ 240 | 20~100 |
Size | IADC | Blades | Nozzles | Cutter size | Gauge length | Junk slot volume | API API Pin |
in | in | in | in2 | in | |||
81/2 | M121 | 4 | 4 | 3/4 | 3 | 18.3 | 4 1/2 |
91/2 | M121 | 4 | 4 | 3/4 | 3.5 | 29.2 | 6 5/8 |
121/4 | M121 | 4 | 4 | 3/4 | 3.3 | 45.6 | 6 5/8 |
Size | Flow rate | RPM | WOB |
in | L/s | rpm | KN |
8 1/2 | 25-38 | 60-240 | 13-66 |
9 1/2 | 30-44 | 60-250 | 13-90 |
12 1/4 | 38-60 | 60-250 | 13-100 |
Size | IADC | Blades | Nozzles | Cutter size | Gauge length | Junk slot volume | |
API Pin | |||||||
in | in | in | in2 | in | |||
8 1/2 | M221 | 5 | 5 | 3/4 | 3 | 18 | 4 1/2 |
9 1/2 | M221 | 5 | 5 | 3/4 | 3.5 | 25.6 | 6 5/8 |
121/4 | M221 | 5 | 7 | 3/4 | 3 | 41.4 | 6 5/8 |
Size | Flow rate | RPM | WOB |
in | L/s | rpm | KN |
8 1/2 | 25-38 | 60330 | 1349 |
9 1/2 | 3044 | 60300 | 1380 |
12 1/4 | 38-60 | 60-300 | 1798 |
Size | IADC | Blades | Nozzles | Cutter size | Gauge length | Junk slot volume | API API Pin |
in | in | in | in2 | in | |||
81/2 | M221 | 6 | 5 | 1/2 | 3 | 18 | 4 1/2 |
91/2 | M221 | 6 | 5 | 1/2 | 3.5 | 25.6 | 6 5/8 |
121/4 | M221 | 6 | 7 | 1/2 | 4 | 41.4 | 6 5/8 |
Size | Flow rate | RPM | WOB |
in | L/s | rpm | KN |
8 1/2 | 25-38 | 60330 | 1349 |
91/2 | 3044 | 60300 | 1380 |
121/4 | 3860 | 60-300 | 1798 |
Size | IADC | Blades | Nozzles | Cutter size | Gauge length | Junk slot volume | |
API Pin | |||||||
in | in | in | in2 | in | |||
6 | M332 | 6 | 4 | 1/2 | 2 | 9.4 | 3 1/2 |
81/2 | M332 | 6 | 6 | 1/2 | 3 | 16 | 41/2 |
121/4 | M334 | 6 | 6 | 1/2 | 4 | 36.9 | 6 5/8 |
Size | Flow rate | RPM | WOB |
in | L/s | rpm | KN |
6 | 1425 | 60-400 | 8-45 |
81/2 | 2538 | 60-300 | 20-100 |
12 1/4 | 2556 | 60-240 | 22-150 |
Size | IADC | Blades | Nozzles | Cutter size | Gauge length | Junk slot volume | API Pin |
in | in | in | in2 | in | |||
81/2 | M323 | 6 | 6 | 3/4 | 3 | 15.8 | 4 1/2 |
91/2 | M323 | 6 | 6 | 3/4 | 3.5 | 20.2 | 6 5/8 |
121/4 | M323 | 6 | 8 | 3/4 | 4 | 30 | 6 5/8 |
Size | Flow rate | RPM | WOB |
in | L/s | rpm | KN |
81/2 | 2538 | 60-330 | 13-75 |
9 1/2 | 2844 | 60-350 | 13-88 |
12 1/4 | 3860 | 100-350 | 22-111 |
Size | Blades | Nozzles | Cutter size | Gauge length | Junk slot volume | API Pin | |
in | in | in | in2 | in | |||
6 | M333 | 7 | 5 | 1/2 | 2 | 5 | 3 1/2 |
81/2 | M432 | 7 | 6 | 1/2 | 3 | 16 | 4 1/2 |
9 1/2 | M433 | 7 | 6 | 1/2 | 3.5 | 16.2 | 6 5/8 |
121/4 | M433 | 7 | 8 | 1/2 | 4 | 36.9 | 6 5/8 |
Size | Flow rate | RPM | WOB |
in | L/s | rpm | KN |
6 | 1425 | 60 ~ 350 | 8-45 |
8 1/2 | 2538 | 60-350 | 13-115 |
91/2 | 3044 | 60-350 | 17-129 |
12 1/4 | 38-60 | 60 - 350 | 22-160 |
Size | IADC | Blades | Nozzles | Cutter size | Gauge length | Junk slot volume | API API Pin |
in | in | in | in2 | in | |||
61/2 | M433 | 6 | 34 | 1/2 | 2.5 | 5.09 | 3 1/2 |
81/2 | M433 | 8 | 68 | 1/2 | 3 | 11 | 4 1/2 |
121/4 | M433 | 8 | 710 | 1/2 | 4 | 17.6 | 6 5/8 |
Size | Flow rate | RPM | WOB |
in | L/s | rpm | KN |
6 1/2 | 1016 | 60-240 | 8-45 |
8 1/2 | 2838 | 60-300 | 20-100 |
12 1/4 | 3856 | 60-350 | 44-178 |