The Gauge Carrier is used for carrying four electric pressure gauge or temperature gauge record annular pressure(Temperature) and tubing pressure (temperature) data. The Gauge Carrier as the part of DST tool string is designed with a full bore feature applied for the drill stem testing operation in cased Hole. According to the gauge carrier's outside diameter , the gauge carrier can be designed wtih two or four slots. The number of gauges that can be installed in a carrier is determined by carrier slot length.
*The gauge carrier with fullbore type which can be used for wireline Testing tools
Specification of Gauge carrier
| Casing size/in | OD/ mm | ID/ mm | Working pressure / Mpa | Service environment | Working temperature | Connection |
| 3 7/8” | 98.5 | 45 | 70 105 | Mud, Crude Oil, Natural gas with H2S and acid | --29oC ~ +204oC | EUE IF CAS |
| 5" | 127.5 | 57 |
About ZZ TOP OIL TOOLS
Xi’an ZZ Top Oil Tools Co.,Ltd as head office registered in Xi’an City in 2010, and in 2016, ZZ TOP OIL TOOLS enlarged the downhole oil tools factory and named Baoji Keyuan Petroleum Equipment under the Brand - TECHCORE, which engages in designing and manufacturing the downhole oil tools including DST tools, Coiled tubing tools etc.
With the business expanding we re-built the factory “Baoji Keyuan Petroleum Equipment Manufacture Co.,Ltd” in Baoji city under Brand “Techcore” to be the high-tech industrial enterprise in 2016. As one group, ZZ TOP provides the clients highly efficient & expertise service as well as more comprehensive products to meet the customers' requirements during the work, and insists on "Traceability, Serialization" for each tools and related parts
DST string tools: hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, CHAMP packer, IPO valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve for downhole operation and so on.
RTTS Serires: Full bore retrievable packer, full bore retrievable circulating valve, full bore retrievable safety joint,
Tester Valve: downhole tester valve, select tester valve, LPR- N Valve, Tubing String Tester Valve
Circulating valve: omni valve, multi-cycle circulating valve, RD Circulating valve, RD safety Circulating Valve, Hydraulic Circulating Valve
