UA-74601133-1
Halladay’s Ltd
Engineering Design Consultancy
A little history ….. With   nearly   four   decades   developing   downhole   equipment   and   systems Nigel   Halladay   is   in   a   unique   position   of   being   able   to   use   this   collective experience   and   knowledge   for   the   purposes   of   researching,   developing, manufacturing and supplying downhole & related hardware. Graduating   from   the   Camborne   School   of   Mines   and   joining   the   early   stages   of   the CSM   Hot   Dry   rock   [HDR]   Geothermal   Project   known   as   “Hot   Rocks”   granted   an opportunity    to    learn    about    a    wide    field    of    activity    associated    with    the    drilling, stimulation   (explosive   &   hydraulic),   logging   &   circulation   of   a   100 °C,   3km   deep   fluid reservoir.     The     development     of     downhole     instrumentation     was     the     principle responsibility   and   included   a   wide   and   varied   range   of   devices   mostly   aimed   at   150 °C operation, see projects. After   Hot   Rocks   came   a   decade   of   commercially   based   operations   that   grew   from   the HDR   project   taking   the   engineering   technology   to   new   extremes   of   350°C.   The   senior mechanical   design   engineer   &   Engineering   Manager   were   the   key   roles   undertaken during   this   period.   R&D   skills   were   enhanced   by   the   completion   of   a   Master’s   Degree in high temperature seismic receiver design. The   next   decade   and   beyond   saw   the   creation   of   Calidus Engineering,   a   company   specialising   in   the   R&D,   design   and manufacture   of   hostile   environment   tools   taking   “blue   sky” ideas   through   to   finished   products.   As   founder,   Managing Director   and   ultimate   mechanical   design   guru,   Nigel   took the   company   from   start-up   to   35   people   in   a   purpose   built facility, selling on to a Norwegian group in 2012. Halladay’s   Ltd   was   founded   in   2005   as   a   manufacturing   resource,   transferring   the business   to   Calidus   in   2007.   Since   2012   Halladay’s   is   the   vehicle   through   which today’s    consulting    activities    take    place    but    the    name    is    not    new.    The    original company   was   founded   by   W.   E.   Halladay   in   1917   (great   grand   father)   as   a   drop   forge works in Birmingham, sadly closing its doors in 2003.
Development of explosive stimulation tool for 300°C applications  Drilling 2.8km wells for the  Hot Rocks Project ‘84 Hydrofracking op’s ‘85 “HOT ROCKS” Project Circa 1986 Calidus Engineering’s custom facility
SPECIALIST R&D AND DESIGN SERVICES FOR DOWNHOLE OIL & GAS AND GEOTHERMAL INSTRUMENTATION
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