Donwhole Testing RTTS Safety Joint APR DST Tools from China manufacturer

Donwhole Testing RTTS Safety Joint APR DST Tools

Price:	10.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Shaanxi, China (Mainland)


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Product Detail

Model No.: RTTS Tools

Production Capacity: 30 pcs/month

Delivery Date: 7 days

Type: APR RTTS Tools

service: H2S&CO2

Working condition: High pressure high temperat...

Operate: ANNULAR PRESSURE OPERATED

Delivery: 30 days

Means of Transport: Ocean,Air

Packing: polywood case

Application: oil well testing

working pressure: 10000psi

standard: NACE MR0175

Casing Size: 9 5/8"

Brand: ZZTOP

The safety joint is a kind of full bore APR tools, applied for the well testing, the RTTS afety joint is the emergency backoff device for DST service.

Oilfield Downhole APR Testing Toos Retrievable Safety Joint

Donwhole Testing RTTS Safety Joint APR DST Tools

The full bore retrievable safety joint is an emergency backoff device, which is named RTTS safety joint

in Halliburton type. The purpose of the safety joint is to provide a disconnect point in the tool string

above the packer for removal of all equipment above that point if the work string becomes stuck and the

Safety Joint can still be operated. The safety joint can be installed on the top of RTTS circulating vale

as well as between the RTTS circulating valve and RTTS packer. By a tension sleeve located on the

bottom of the mandrel the RTTS Safety Joint is held inoperative to help prevent premature release.

Specification of the RTTS safety joint

No.	Specification	8 5/8-13 3/8" RTTS Safety Joint
1	OD	155.5mm
2	ID	79mm
3	Length	1195.5mm(1205.5MM)
4	Working Pressure	70MPa
5	Tension Strength	2000KN
6	Torque strength	40KN.m
7	Service	H2S,As per NACE MR-0175(>175°F)
8	Tension sleeve Rating	176+-10 kN
9	Working Temperature	-29℃～+204℃
10	Top and bottom Connection	3 1/2IF. BXP 4 1/2"IF. BXP

About DST Tools

The 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 which import from USA directly.

And for strict working condition such as high H2S, CO2, Sour and HCL, we also suggest the material Inconnel or other high Nickel alloy steel.

Oilfield Downhole APR Testing Toos Retrievable Safety Joint