Differential sticking tester

• Customization: Available
• Display: Digital
• Appliance: Food Analysis, Medical Research, Biochemistry
• Model NO.: NF-2
• Certification: RoHS, FCC, CE, ISO9001
• Transport Package: Wooden Box
• Specification: 310*290*285mm
• Trademark: haitongda
• Origin: China
• HS Code: 9031809090
• Production Capacity: 500 Sets/Year

Product Description

 

1. Introduction
    Most incidences of stuck pipe are caused by differential-pressure effects. Excessive differential pressures across lower-pressure permeable zones can cause the drillstring to push into the wellbore wall where it becomes stuck. When differential sticking occurs, spotting fluid can sometimes free the drillpipe.
Differential sticking may be identified by the following characteristics:

1. Pipe sticks after remaining motionless for a period of time
2. Pipe cannot be rotated or moved when circulation is maintained

• The Differential Sticking Tester was designed to determine how likely a given drilling fluid will be to produce a "stuck pipe" situation and how effective a given drilling fluid treatment or application of spotting fluid in any given drilling fluid would be in reducing this tendency. This measurement is called the "Stuck Tendency Coefficient". It takes into account both the stickiness and the cake building capability of the drilling fluid. The "Stuck Tendency Coefficient" is determined by the Timed Filtrate Test.
• The unit can be pressurized by the CO₂ regulator assembly or from any nitrogen source. If Nitrogen is to be used, the Differential Sticking Tester must be fitted with a suitable Nitrogen regulator, gauges, relief valve, hose and fittings. 
• The measurement can be made using either the flat-faced torque plate or the 12-1/2" (31.75 cm) spherical radius plate which approximates pipe in casing or collars in borehole contact geometry. (Both are provided.) In the event of a "sticky" sample that tends to adhere more to the torque plate than to the filter paper, stainless steel micro-corrugation disks are provided, to help ensure success of the test.

2. Type Specification

Mode	Name	Configuration	Characteristic
NF-2	The Differential Sticking Tester	Pneumatic pressure rod with cylinder assembly	The adhesion between the adhesive disc and the filter cake depends on the air pressure acting on the pressure cylinder to exert pressure on the adhesive disc

3. Technical Specification

No.	Technical Specification
1	Work stress	3.5MPa
2	Maximum pressure of drilling fluid cup	5MPa
3	Diameter of adhesive disc	φ50.7 mm
4	Filter area	22.6cm2
5	Cup capacity	240ml
6	Air supply	Nitrogen, carbon dioxide gas (not containing oil, water and other impurities) (oxygen is strictly prohibited), its rated pressure should be greater than 5Mpa
7	Net weight / Gross weight	9.8kg/15.24kg
8	Overall dimensions	500×270×510mm
9	Packing size	560×425×265mm   310×290×285mm

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FAQ:
Q1 : Are you a manufacturer or a trading company ?
A1: We are manufacturer.
Q2: What is your main brand?
A2: Our brand is Haitongda, which is famous in China and other nation. Also we do OEM.
Q3: What are your business scope and product classification?
A3:Business scope: mud analysis instrument, electronic products, special instrument, mold design and manufacturing; Instrument maintenance and sales; Import and export of goods and technologies.

Product classification: including drilling fluid analysis instrument, oil well cement testing instrument and field overall solution, including 22 small categories and over 120 products.
Q4: What is your MOQ for the order?
A4: Testers per 1 set.
Q5: What is the warranty period of your instrument?
A5: One year.
Q6: Can I get better offer if our order can be bigger?
A6: Certainly. We will give you better prices based on the quantity for your order.
Q7:What certificate do you have for your instrument?
Q7: ISO, SGS and so on
Q8: What is your lead time for our order?
A8: For new order: 3 weeks; 
For stock order: 3 working days after T/T. Based on FOB Qingdao.
Q9: What is your advantage of your factory?
A9: We are the original oil ministry designated drilling fluid analysis equipment manufacturer in China, which was founded in 1968.
Q10: What is the process to become an agency?
A10: Please send us mail enquiry, then we will reply you as soon as possible.




Contact us:
Qingdao Haitongda Special Instrument Co.,Ltd.
   
   
 
Add:No.320, Jiushui East Road,Licang district,Qingdao City,Shandong Province,China(266100)