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HISTORICAL PERSPECTIVE 49



           HUTCHISON MANUFACTURING COMPANY                                       HOUSTON, TEXAS


                     TONS OF SAND REMOVED FROM MUD BY

                NEW RUMBA SHALE SHAKER AND DE-SANDER






                                                                                              "RUMBA"
                                                                                           SHALE SHAKERS
                                                                                            Completely uni-
                                                                                          tized and mounted
                                                                                          on 7' 10" skid ready
                                                                                          for service. No rig-
                                                                                          ging up expense in
                                                                                          the field.














            LONG SCREEN CLOTH LIFE: The screen frame car-     SAND REMOVAL BY FLOTATION WITH NEW DE-SANDER: By
           rying the under-slung screen cloth is made of 3/$" steel, and  using the under-slung screen cloth with the entire frame above
          is driven l>3' a rubber mounted vibrator. Rubber-lined pillow  the screen, there are no obstructions on the under side of the
          blocks equally distribute the vibration through the five foot  cloth. A droplet of mud on the under side of the screen cloth
          lateral frame struts which hold and transmit the vibration  is loaded with fine flour-like sand that falls through the
          to the under-slung screen cloth. This friction hold prevents  meshes of the cloth. This drop is held together on its way
          screen cloth whipping as the cloth moves in the same vibra-  to the bottom of the cloth with its load of sand by surface
          tional path as its supporting frame; therefore, when screen  tension, and the molecular force of adhesion holds it to the
          cloths need replacement, they are worn out by the abrasive  bottom of the cloth, where it falls clear on the de-sander.
          materials going over them, not whipped out.       Sand entrapped in the droplet falls clear of the. mud returns.
                                                            This patented method of sand removal is very effective and
            SIMPLICITY IN DESIGN: Fewer exposed parts reduce  it is obvious that pump repairs will be reduced, and that the
          replacement costs. The heavy steel back tank is Me", and  hole will be cleaner with less sand in the mud. The SAMPLE
          the bottom tank is 10 gauge steel to assure long shaker life  CATCHER provides the operator with an easily accessible
          when corrosive mud chemicals are used.            method of taking samples.
                                  VIBRATOR WITH RUBBER-LINED PILLOW BLOCKS
            Each of the five pillow blocks drives one of the five
          lateral steel members that make up the vibrating top,
          assuring uniform movement which prevents metal fatigue
          of the steel. The screen cloth is driven evenly through
          the friction hold of these 5 members, resulting in longer
          screen cloth life, as there is no whipping of this under-
          slung screen cloth. As the entire vibrating frame is above
          the screen cloth, it is easily taken care of. Recommended
          SPEED OF VIBRATOR is 2000 R.P.M. Maximum
          Speed is 2200 R.P.M. Both Shakers are furnished with
          6" two-groove pulleys for B section belts.

          Size of Shakers             Junior      Larfte    Size of Shakers .. .                    Largfe
          Catalog Number of the Shakers  2760-B2  4860- B2J                             7'- 10"    7'-10"
                                       10ft.      19 ft.                               2200 Lbs.  2400 Lbs.
          Mud Connection to Well (Pipe) O.D  10"  10"                                  3300 Lbs.  3610 Lbs.
          Height to Top of Screen Cloth ...  31 H"  31}^"   Export Width, Boxed          51*        79*
          Height Over All (Less power unit)  43^"  43^"     Export Height, Boxed. . .    55°        56"
          Width Over Mud Troughs       50^"       72^"                                   106*       106*
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