I.S.com.
Statements in this press release that are not strictly historical
are "forward-looking" statements as defined in the Private Securities
Litigation Reform Act of 1995.

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5 net) which
resulted in 10 gas wells (4. At Drumheller, the Company has recently completed the
drilling and testing of a 100% W. tested 10
mmcf per day which is expected to be initially placed on-stream at
2. 30%) were
successfully completed with a combined test rate of 1.cansup .S.
W-H Energy is a diversified oilfield service company that provides
products and services used primarily for the drilling, completion and
production of oil and natural gas wells.

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Securities and
Exchange Commission.

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News Editors

CALGARY, Alberta----Canadian
Superior Energy Inc .I.2 mmcf per day.) was successfully drilled, completed and tested at 1.) was drilled,
completed and tested at 750 mcf per day.D.
Such factors include, among others, those described in the Company's
annual report on Form 40-F on file with the U.

Business Editors/Energy Editors

HOUSTON ----W-H Energy Services, Inc. The actual results may differ
materially from those projected in the forward-looking statements due
to, among other things, the current and expected future prices of
crude oil and natural gas, the level of exploration, development and
production activity of, and the corresponding capital spending by, our
customers, the development and implementation of new technologies and
weather conditions in offshore markets.'s Annual Report filed on Form
10-K with the Securities and Exchange Commission.

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In West Central Alberta, Canadian Superior also announced today
two natural gas discoveries in the Windfall area.I. Statements contained in this press release relating to
future results, events and expectations are forward-looking
statements within the meaning of Section 27A of the Securities Act of
1933, as amended and Section 21E of the Securities Exchange Act of
1934, as amended. Participants should
inform the operator that they are calling for the W-H Energy
conference call hosted by Ken White, CEO of W-H Energy.

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Of particular interest during the 2005 winter drilling and
completion program were natural gas discoveries at Drumheller and
Windfall.5 mmcf per
day and a second non-operated gas well (40% W. The well was drilled to depth and
cased, but due to unseasonably warm weather in this winter access
only area, the Company was unable to complete and evaluate this well
prior to spring breakup and the prospect will be further evaluated
during the next drilling season.whes.

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Also at
Drumheller, seven coal bed methane (CBM ) wells (W. These forward-looking statements involve known and
unknown risks, uncertainties and other factors which may cause the
actual results, performance or achievement of the Company, or
industry results, to be materially different from any future results,
performance or achievements expressed or implied by such statements. central time and is open to the public. For
international calls, call 913-981-4902.

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gas well that A.

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O.F.I. 01-26-91-11 W6M.com

This press release contains forward -looking information on future
production, project start-ups and future capital spending. Actual
results or estimated results could differ materially due to changes
in project schedules, operating performance , demand for oil and gas,
commercial negotiations or other technical and economic factors or
revisions .

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Drumheller is located in Central Alberta where Canadian
Superior has major holdings with year round access.

In addition, at East Ladyfern, Canadian Superior completed the
drilling of its Slave Point operated exploration test well (75% W. (TSX:SNG) (AMEX:SNG)

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75
net) and one D+A well (1. All of the above wells are
currently in the process of being tied in, and it is anticipated the
wells will be on production, after breakup, in mid May, and add to
Canadian Superior's growing Western Canadian production base.

For further information and maps on Canadian Superior's Western
Canada, Offshore Trinidad and Offshore Nova Scotia operations and
holdings, see Canadian Superior 's website at www.
(NYSE:WHQ) has scheduled the date of its release of first quarter
results to occur prior to the open of the market on April 27, 2005. These risks are more fully
described in W-H Energy Services, Inc.

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Canadian Superior Energy Inc. Announces Natural Gas Discoveries at Drumheller and Windfall- Completes Successful 2005 Winter Drilling and Well Completion Progr

5 net), one standing cased gas well (0.3 mmcf per day with 40 bbls per day of additional condensate
production. One gas well (100%
W.
In addition, the Company's first quarter conference call will be
available on a listen only basis over the internet as provided by CCBN
at www.

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("Canadian Superior ") (TSX:SNG) (AMEX:SNG) of
Calgary, Alberta, Canada announced today the successful completion of
its 2005 Western Canada winter drilling and well completion program.15 net) and completed 11 gross wells (5.0 net).I. The Company has operations in
the North America and select areas internationally.

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)
located at L.

Canadian Superior Energy Inc. The conference call will
include a discussion of the first quarter results as well as
expectations for the second quarter of 2005. A rebroadcast of the call will
be available through May 27, by dialing 800-528-0581 pass code 1058. The entire teleconference call will be broadcast
live, and a replay will be available on the W-H Energy Services web
site for 30 days following the event. The Company
disclaims any obligation to update the statements in this press
release.

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This success compares favorably to
Canadian superiors 2004 drilling + completion success rate of over
90%.

W-H Energy Services Announces Conference Call

The earnings release will be followed by a conference call at 11:00
a.
To participate by telephone, call 800-811-7286 ten to fifteen
minutes prior to the scheduled starting time.

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During the first three months of 2005, Canadian Superior drilled 4
gross wells (3.m. A brief question and
answer session will follow .