Cross Over Subs Crossover Subs

• Customization: Available
• After-sales Service: Provided
• Warranty: 1 Year or 2000hours
• Model NO.: Cross Over Subs
• Manufacturing Process: Casting
• Surface Treatment: Sand Blast
• Operation Pressure: Vacuum
• Material: Cast Steel
• Transport Package: Skid
• Specification: 8, 350 x 2, 400 x 3, 000 mm
• Trademark: SAINTWAH
• Origin: Saintwah Inc.
• HS Code: 8207801000
• Production Capacity: 10000

Product Description

Cross Over Subs

The circulating sub is a specialized tool for circulating drilling fluid when running in casing on the way or finishing running casing downhole.According to actual needs.

Production description of API Circulating cross over Sub

The circulating sub is a specialized tool for circulating drilling fluid when running in casing on the way or finishing running casing downhole.According to actual needs.there are circulating sub with casing thread and circulating sub with union thread.

the oil liquid of tube in the upper pump should be drained off during the whole barrel tubing type pump and special pump that usually be used in domestic workover treatment ,the work need the bottom of pump to connect a bleeder to be fullfilled.

The working principle is :the bleeder shoud be connected to the bottom of pump and the upper part of standing valve, when the oil need be discharged during the oilfield work ,lift the sucker rod string and plunger assembly out of oil well ,put the impulse lever into the pipeline, the impulse lower down to the bottom and break off the draining pins of bleeder ,the upper oil liquid can be discharged through the draining pins. Currently, the bleeder that we maufactured contain two kinds of dimension, the usage and effect are same.

 

 

 

There are two fixed modes of draining pins

1.Welded type;

2.Threaded connection type.The surface treatment contain;

3. Methods: phosphorization,blueing and galvanization.

 

 

Parameter details of API Circulating cross over Sub

 

1. Length:200mm, diameter: 90mm, connecting oil pipe thread 2 7/8EUE/NUE, oil hole number: 6

2. Length:186mm, diameter: 90mm, connecting oil pipe thread 2 7/8EUE/NUE, oil hole number: 2

 

Thread type		I.D.		Length
Drill pipe box connection	Casing thread	-	-	-
NC38	5 BTC	57	500	-
-	5 LTC	-	-	-
-	5 ST & C	-	-	-
NC38	5 1/2 BTC	57	580
-	5 1/2 LTC	-	-	-
-	5 1/2 ST & C	-	-	-
NC50	7 BTC	71	600	-
-	7 LTC	-	-	-
-	7 ST & C	-	-	-
NC50	9 5/8 BTC	71	620	-
-	9 5/8 LTC	-	-	-
-	9 5/8 ST & C	-	-	-
NC50	10 3/4 BTC	71	670	-
-	10 3/4 LTC	-	-	-
-	10 3/4 ST & C	-	-	-
NC50	13 3/8 BTC	71	670	-

Our Company

SAINTWAH INC.. was founded in 2010, is located in Peking, the company existing plant covers an area of 185342m², with a total investment of 800 million Yuan.

The Company sophisticated production equipment,detection means complete, strong technical force. Mainly includes the 800 tons of fully automatic intelligent horizontal forging machine, intelligent friction welding machine, 1000 tons of hydraulic straightening machine, 800 tons of hydraulic upsetting units and the most advanced heat treatment production line; Company has a staff of 268 people, including senior professional and technical personnel more than 50 people.

In 2008 the company officially became a member of China national petroleum corporation supplies suppliers. Products exported to Canada, the United States, Germany, Mexico, Australia, Turkey, Syria, Venezuela, Malaysia, Kazakhstan, Indonesia, India and so on more than 20 countries and regions.

We can accept the special requirement of order and technical cooperation, we are willing to work with global customers a friendly, equal and mutually beneficial trade.
 

FAQ

Q1. How to get an accurate quotation?

A1: The customer should provide the related technical requirements, drawings, pictures, industrial voltage, planned output,

Q2. What if I use this machine for the first time and know nothing of it ?

A2: We will have our engineers teach you how to operate it,you can just inform us some details of the product you need then we can customize as your special order.

Q3. How does your factory do regarding quality control?

A3: We has been regard quality as the priority. We always attach great importance to quality controlling from the very beginning to the very end ,so our press can match all the CE and ISO standard also more strict standard .

Q4. How about your delivery time?

A4: Generally, it will take 35 working days after receiving your deposit payment. The specific delivery time depends on the items and the quantity of your order. Sometimes we have standard machines in stock.

Q5. What is the warrantee period of the machine?

A5: We can supply 1 year warranty for our machines, We can send engineer to customer place if big quality problem. We can provide internet or calling service at any time.

Q6. after-sales service

A6: 1. Installation:Free installation and commissioning, travel expense is on foreign customer.(Including round ticket and
accommodation cost)

2. Personnel training: Our engineers will give your employees free machine training when they come to your company to assemble the machines, and welcome to our factory to learn how to operate our machine