-<xsd:schema elementFormDefault="qualified" attributeFormDefault="unqualified" targetNamespace="http://www.witsml.org/schemas/131" version="1.3.1">

-<!--

-->

-<!--

 POSC License Agreement
	This file is distributed under the POSC License Agreement at
	http://www.posc.org/about/license.shtml.
	Use of this file constitutes agreement with the POSC License Agreement.

-->

-<!--

-->

<xsd:include schemaLocation="typ_dataTypes.xsd"/>

<xsd:include schemaLocation="attgrp_uid.xsd"/>

-<!--

-->

-<xsd:complexType name="cs_drillingParams">

-<xsd:annotation>

<xsd:documentation> WITSML - Bottom hole assembly drilling parameters component schema </xsd:documentation>

</xsd:annotation>

-<xsd:sequence>

-<xsd:element name="eTimOpBit" type="witsml:timeMeasure" minOccurs="1" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Operating time spent by bit for run. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="mdHoleStart" type="witsml:measuredDepthCoord" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Measured depth at start. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="mdHoleStop" type="witsml:measuredDepthCoord" minOccurs="1" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Measured depth at stop. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tubular" type="witsml:refNameString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>A pointer to the tubular assembly. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="hkldRot" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Hookload - rotating. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="overPull" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>hkldUp-hkldRot. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="slackOff" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>hkldRot-hkldDown. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="hkldUp" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Hookload - string moving up. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="hkldDn" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Hookload - string moving down. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tqOnBotAv" type="witsml:momentOfForceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Average Torque - on bottom. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tqOnBotMx" type="witsml:momentOfForceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Maximum torque - on bottom. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tqOnBotMn" type="witsml:momentOfForceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Minimum torque - on bottom. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tqOffBotAv" type="witsml:momentOfForceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Average torque - off bottom. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tqDhAv" type="witsml:momentOfForceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Average torque - downhole. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wtAboveJar" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Weight above jars. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wtBelowJar" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Weight below jars. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wtMud" type="witsml:densityMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Mud density. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="flowratePump" type="witsml:volumeFlowRateMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Pump flow rate. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="powBit" type="witsml:powerMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Bit hydraulic. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="velNozzleAv" type="witsml:velocityMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Bit nozzle average velocity. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="presDropBit" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Pressure drop in bit. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="cTimHold" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Time spent on hold from start of bit run. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="cTimSteering" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Time spent steering from start of bit run. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="cTimDrillRot" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Time spent rotary drilling from start of bit run. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="cTimDrillSlid" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Time spent slide drilling from start of bit run. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="cTimCirc" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Time spent circulating from start of bit run. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="cTimReam" type="witsml:timeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Time spent reaming from start of bit run. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="distDrillRot" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Distance drilled - rotating. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="distDrillSlid" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Distance drilled - sliding </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="distReam" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Distance reamed. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="distHold" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Distance covered while holding angle with a steerable drilling assembly. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="distSteering" type="witsml:lengthMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Distance covered while actively steering with a steerable drilling assembly. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="rpmAv" type="witsml:anglePerTimeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Average turn rate (commonly in rpm) through Interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="rpmMx" type="witsml:anglePerTimeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Maximum turn rate (commonly in rpm). </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="rpmMn" type="witsml:anglePerTimeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Minimum turn rate (commonly in rpm). </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="rpmAvDh" type="witsml:anglePerTimeMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Average turn rate (commonly in rpm) downhole. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="ropAv" type="witsml:velocityMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Average rate of penetration through Interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="ropMx" type="witsml:velocityMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Maximum rate of penetration through Interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="ropMn" type="witsml:velocityMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Minimum rate of penetration through Interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wobAv" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Surface weight on bit - average through interval. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wobMx" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Weight on bit - maximum. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wobMn" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Weight on bit - minimum. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="wobAvDh" type="witsml:forceMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Weight on bit - average downhole. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="reasonTrip" type="witsml:commentString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Reason for trip. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="objectiveBha" type="witsml:commentString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Objective of bottom hole assembly. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="aziTop" type="witsml:planeAngleMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Azimuth at start measured depth. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="aziBottom" type="witsml:planeAngleMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Azimuth at stop measured depth. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="inclStart" type="witsml:planeAngleMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Inclination at start measured depth. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="inclMx" type="witsml:planeAngleMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Maximum inclination. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="inclMn" type="witsml:planeAngleMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Minimum inclination. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="inclStop" type="witsml:planeAngleMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Inclination at stop measured depth. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="tempMudDhMx" type="witsml:thermodynamicTemperatureMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Maximum mud temperature downhole during run. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="presPumpAv" type="witsml:pressureMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Average pump pressure. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="flowrateBit" type="witsml:volumeFlowRateMeasure" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Flow rate at bit. </xsd:documentation>

</xsd:annotation>

</xsd:element>

-<xsd:element name="comments" type="witsml:commentString" minOccurs="0" maxOccurs="1">

-<xsd:annotation>

<xsd:documentation>Comments and remarks. </xsd:documentation>

</xsd:annotation>

</xsd:element>

</xsd:sequence>

-<xsd:attributeGroup ref="witsml:attgrp_uid">

-<xsd:annotation>

<xsd:documentation>Unique identifier for the parameters. </xsd:documentation>

</xsd:annotation>

</xsd:attributeGroup>

</xsd:complexType>

</xsd:schema>