Foam Wiper Balls

Foam wiper balls are specialty generated item to wipe out drill pipe or tubing string remove of cement, fluids or debris and can be used to isolate fluids

Foam wiper balls are specialty generated item to wipe out drill pipe or tubing string remove of cement, fluids or debris and can be used to isolate fluids.

The Merit brand name #1 quality OEM foam wiper balls are now preferred to as drill pipe wipers all over the world. These items are developed to wipe out drill pipe or tubing string wipe of cement, fluids, or debris. This featured wiper ball can be used to separate fluids also.

We manufacture wiper foam ball from Poly isoprene by a patented-registered special chemical formula (All rights reserved by third party certification bodies all over the globe*). The reason why they can be used in a temperature range of 40 degrees Fahrenheit up to 392 degrees Fahrenheit. Our foam balls have heat consistency in water up to 176 degrees Fahrenheit.

The foam ball has a parting stretch of 380 to 440%, which means it can pass through small restrictions without being damaged. The breaking extension of our product is from 800 to 950%. 

We provide oilfield industry mono bloc wiper foam balls from 1 inches to 18 inches.

Nominal repeat usage of Merit’s wiper ball per density**:

Soft : 15 Times

Medium : 25 Times

Hard : 35 Times

* L356/ONFS-771
** Showed laboratory testing and oilfield applications

General Size Reference in.(mm)Actual Size in.(mm)Part NumberTypical wiping range in. (mm)Minimal restriction*** in. (mm)
3.00 (76.10)3.15 (80)WP100032.5 to 1.10 (63.5 to 27.90)0.500 (12.7)
4.00 (102.00)3.94 (100)WP100043.12 to 1.38 (79.20 to 35.10)0.625 (15.9)
5.00 (127.00)4.92 (125)WP100054.00 to 1.75 (101.60 to 44.50)0.750 (19.1)
6.00 (152.40)5.91 (150)WP100064.75 to 2.00 (120.70 to 50.80)0.875 (22.20)
7.00 (178.10)6.89 (175)WP100075.50 to 2.38 (139.70 to 60.50)1.000 (25.40)
8.00 (203.00)7.87 (200)WP100087.00 to 3.00 (177.80 to 76.20)1.375 (34.90)
9.00 (225.00)8.85 (225)WP100098.00 to 3.20 (203.20 to 81.28)1.440 (36.58)
10.00 (250.00)9.84 (250)WP100108.40 to3.51 ( 213.35 to 89.15)1.500 (38.10)
11.00 (275.00)10.82 (275)WP100118.75 to 3.75 (222.30 to 95.30)1.750(44.50)
12.00 (300.00)11.81 (300)WP100129.00 to 4.32 (228.60to 109.73)2.000 (50.80)
Special sizes upon request*

2 7/8″ Drill Pipe Wiper Foam Ball 3″ or 4″ OD Foam Wiper Balls
3 1/2″ Drill Pipe Wiper Foam Ball 4″ or 5″ OD Foam Wiper Balls
4 1/2″ Drill Pipe Wiper Foam Ball 5″ or 6″ OD Foam Wiper Balls
5 1/2″ Drill Pipe Wiper Foam Ball 6″ or 7″ OD Foam Wiper Balls

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