| Customization: | Available |
|---|---|
| Type: | API 7-1 |
| Usage: | Well Drilling, API 7-1 |
|
Still deciding? Get samples of $ !
Order Sample
|
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| Type | IADC Code | Application | Recommanded Parameter | ||
| Weight on Bit (KN/mm) | Rotary Speed (r/mm) | ||||
| RA111 | 111 | It is suitable for very soft formation such as clay, silts sand etc | 0.3-0.15 | 180-30 | |
| RA114 RA115 | 114 115 | very soft formation with low compressive strength and high drillability, such as stone, mudstone, white powder etc | 0.3-0.75 | 180-60 | |
| RA116 RA117 | 116 117 | It is suitable for extremelyt soft formations with high resistance to pressure and drillability, such as soft shales, clay, salt rock, etc | 0.35~0.9 | 150~80 | |
| RA124 RA125 | 124 125 | Soft formations with low compressive strength and high drillaility, such as mudsone, gypsum, salt rock, soft shales, soft limesone, etc. | 0.3-0.85 | 180-60 | |
| RA126 RA127 | 126 127 | It is applicable to soft formations with high drillability against pressure, such as shale, clay, salt rock, soft lime, etc | 0.35~1.0 | 150~70 | |
| RA134 RA135 | 134 135 | Soft to medium soft formations with low compressive strength and high drillability, such as medium soft shales, antydrite, medium soft affordable, medium soft sandstone and soft formations with hard interlayers. | 0.3-0.95 | 150-60 | |
| RA136 RA137 | 136 137 | It is suitable for soft to medium soft stratum with compressive strength or hard interlayer in soft stratum, such as anthydrite, soft limestone, sandstone, etc | 0.35~1.05 | 120~60 | |
| RA211 | 211 | It is suitable for medium hard formaiton such as limestone, anhydrites, dolomite etc. | 0.15-0.25 | 150-30 | |
| RA216 RA217 | 216 217 | Suitable for medium hardness with high pressure resistance and hard interlayer, such as hard shale, sandstone, limestone, etc | 0.5~1.20 | 90~50 | |
| RA244 | 244 | Medium-hard formations with high compressive strength, such as abrasive shales, limestone, sandstone, dolomite, anthydrite, marble,etc. | 0.5~1.20 | 100~50 | |
| RA246 RA247 | 246 247 | Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite, etc. | 0.4~1.0 | 80~50 | |
| RA311 | 311 | Suitable for hard formation, such as shale(calcareous), sandstone(siliceous) siltsone etc | 1.0~1.15 | 150~100 | |
| RA317 | 317 | Suitable for high compressive strength, medium hard and abrasive formations, such as limestone, dolomite, sandstone, flint, etc | 0.7~1.30 | 80~45 | |
| RA324 | 324 | Moderately abrasive formations such as abrasive shale, limestone, sandstone, dolomite, anhydrite, marble, etc | 0.4~1.0 | 120~50 | |
){kind=link}