New Products - FANN®

Filter Cores for Dynamic HPHT® Filtration System

Filter Cores for Dynamic HPHTDesigned for conducting filter cake formation and permeability analysis  

Fann engineers designed special filter cores for the Model 90 Dynamic HPHT Filtration System to conduct filter cake formation and permeability analysis. 

The filter medium is a thick-walled cylinder with rock-like characteristics to simulate the build-up of  filter cake on the formation.  This provides more accurate filtration measurements. The entire internal length is subjected to pressurized fluid (sample). Filtrate flows through the core radially from the inside to the outside.

The filter medium is available in varying porosities and permeabilities to simulate down-hole formations.

Filter Cores are supplied in boxes of 10 cores of the same porosity.

Ordering Information

API Designation New (Hg) Data

Old (Air) Data
Previous Designation

Fann Material No.

12

12 µ

210545

20

20 µ

10 µ

210546

40

40 µ

20 µ

210547

50

50 µ

35 µ

213483

55

55 µ

60 µ

210548

120

120 µ

90 µ

210549

none

 

150 µ

210550

none

 

190 µ

210551


Ceramic Filter Core Specifications

Nominal Core Dimensions

Maximum Recommended Values
Inside Diameter 1.014 +/- 0.005 Mud weight, lb/gal (sg) Rate, mL/min CDI 
Outside Diameter 1.510 +/- 0.020

9-12 (1.08-1.44) 0.22

25
Length 1.114 +/- 0.005

12-15 (1.44-1.80) 0.18

20
   

15 or greater (1.80 +) 0.14

16

Filter Cores

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