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[China]
Trade Verify
Address: No.25, Cross Building, Gaoxin 6th Road, Hi-tech Zone, Xi'an, China
Contact name:LEE
XI 'AN ZZ TOP OIL TOOLS CO.,LTD |
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Verified Suppliers
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Oil & Gas Well Downhole Drill Stem Testing Tools String APR DST Tools String
The Drill Stem Testing Tools / DST tools manufactured by ZZ Top is full bore type and annular pressure operated, applicable for 4 1/2” to 20” casing, the tools OD is 3 7/8” and 5”, Working pressure upto 105Mpa, working temperature upto 425F.
As per NACE MR0175 standard, the materials ZZ Top used is AISI41XX
Alloy steel with hardness in 30HRC in average but also consider the
high working pressure to choose high hardness material used in
Critical parts i.e. Nitrogen Case, for ball valve, the material is
Inconel 718. And for strict working condition such as high H2S,
CO2, Acid and HCL, we also suggest the material Inconnel or other
high Nickel alloy steel.
Specifcation of Drill Stem Testing tool String
| Name | Size | Specification |
| RTTS Packer | 4 1/2”-20” Casing | 70Mpa, 400F |
| CHAMP IV Packer | 7”-13 3/8” Casing | 70Mpa,400F |
| Champ XHP Packer | 7”-13 3/8” Casing | 105Mpa, 400F |
| RTTS Circulating Valve | 4 1/2”-20” Casing | 70Mpa, 400F |
| IPO Circulating Valve | 5” OD | 105Mpa 400F |
| Hydraulic Circulating Valve | 3 7/8” and 5” OD | 105Mpa 400F |
| RD Safety Circulating Valve | 3 7/8” and 5” OD | 105Mpa, 400F |
| RD Circulating Valve | 3 7/8” and 5” OD | 105Mpa, 400F |
| OMNI Circulating Valve | 3 7/8” and 5” OD | 105Mpa, 400F |
| RTTS Safety Joint | 4 1/2”-20” Casing | 105Mpa, 400F |
| Round mandrel slip joint | 3 7/8” and 5” OD | 105Mpa, 400F |
| TST Valve | 3 7/8” and 5” OD | 105Mpa, 400F |
| RD Sampler | 3 7/8” and 5” OD | 105Mpa, 400F |
| Drain valve | 3 7/8” and 5” OD | 105Mpa, 400F |
| LPR-N Valve | 3 7/8” and 5” OD | 105Mpa, 400F |
| Select tester valve | 3 7/8” and 5” OD | 105Mpa, 400F |
| Hydraulic Jar | 3 7/8” and 5” OD | 105Mpa, 400F |
| Gauge Carrier | Design as per Gauges | 105Mpa, 400F |
| Radial shock absorber | 7”Casing | 105Mpa, 400F |
| Vertical Shock Absorber | 5” OD | 105Mpa, 400F |
| Super Safety Valve | 8” OD | 105Mpa, 400F |
